98971 + Interview Questions in Primary School in Math

1.	) MARKS-5DATE: 5-8-2020PTA-1TH1. If the number of negative integersin a product is even, then the productis a positive integer. If the numberof negative integers in a product isodd,then the product is a negativeinteger.Justify it by taking five moreexamples of each kind.
Answer» ANSWER: bhxhhxbeh=/8-/5/bdhgsyyebiuezyywh==5-/2//2//5/-5gzggdhhshgzhzhdhhdccbbduuehhxhhd fhhduyeygf dhhdhhdnjd each KIND

1.

) MARKS-5DATE: 5-8-2020PTA-1TH1. If the number of negative integersin a product is even, then the productis a positive integer. If the numberof negative integers in a product isodd,then the product is a negativeinteger.Justify it by taking five moreexamples of each kind.

Answer»

ANSWER:

bhxhhxbeh=/8-/5/bdhgsyyebiuezyywh==5-/2//2//5/-5gzggdhhshgzhzhdhhdccbbduuehhxhhd fhhduyeygf dhhdhhdnjd each KIND

Discussion

2.	If m=2,find the value of5/2m-4
Answer» Answer: 5/2m-4 5/2*2-4 5/4-4 5

2.

If m=2,find the value of5/2m-4

Answer»

Answer:

5/2m-4

5/2*2-4

5/4-4

5

Discussion

3.	4√3x+1 - 2 = 0. find x
Answer» Answer: x = 1 / 4√3 Step-by-step explanation: 4√3x + 1 - 2 = 0 4 √3x - 1 = 0 4 √3x = 1 x = 1 / 4√3

3.

4√3x+1 - 2 = 0. find x

Answer»

Answer:

x = 1 / 4√3

Step-by-step explanation:

4√3x + 1 - 2 = 0

4 √3x - 1 = 0

4 √3x = 1

x = 1 / 4√3

Discussion

4.	Anybody give me the answer fast I will choose the brainlist
Answer» Answer: a ) x+ 3=8 x= 8+ 3 x=11 b) 9Y = 72 y = 72 ÷ 9 y = 8 c) z/3 = 5 z = 3× 5 z = 15 l HOPE this will help you

4.

Anybody give me the answer fast I will choose the brainlist

Answer»

Answer:

a ) x+ 3=8

x= 8+ 3

x=11

b) 9Y = 72

y = 72 ÷ 9

y = 8

c) z/3 = 5

z = 3× 5

z = 15

l HOPE this will help you

Discussion

5.	در دریا786268535879و نور برحججحج
Answer» ANSWER: Here is your answer Step-by-step EXPLANATION: Asalam valakum

5.

در دریا786268535879و نور برحججحج

Answer»

ANSWER:

Here is your answer

Step-by-step EXPLANATION:

Asalam valakum

Discussion

6.	What Is A Circumference.........In a circle......
Answer» $\huge\mathbb\red{Answer:-}$ C= 2× 22/7×r HOPE THIS HELPS YOU AND PLEASE MARK ME AS A BRAINLEIST

6.

What Is A Circumference.........In a circle......

Answer»

$\huge\mathbb\red{Answer:-}$

C= 2× 22/7×r

HOPE THIS HELPS YOU AND PLEASE MARK ME AS A BRAINLEIST

Discussion

7.	3(x - y) 3 - (2-4)एक्स माइनस वाई क्यूब माइनस बायतु एक्स माइनस वाई होल क्यूब माइनस एक्स माइनस वाई होल क्यूब
Answer» Step-by-step explanation: Capital punishment, ALSO known as the death PENALTY, is a government-sanctioned practice whereby a person is PUT to death by the STATE as a punishment for a crime. WIKIPEDIA

7.

3(x - y) 3 - (2-4)एक्स माइनस वाई क्यूब माइनस बायतु एक्स माइनस वाई होल क्यूब माइनस एक्स माइनस वाई होल क्यूब

Answer»

Step-by-step explanation:

Capital punishment, ALSO known as the death PENALTY, is a government-sanctioned practice whereby a person is PUT to death by the STATE as a punishment for a crime. WIKIPEDIA

Discussion

8.	Find the value of x in each case,90BС
Answer» Answer: PLZZ ache SE question BTAO

8.

Find the value of x in each case,90BС

Answer»

Answer:

PLZZ ache SE question BTAO

Discussion

9.	Find the value of the above question.whoever does it first and correct and step by step I will give that person thanks and follow that person give as brainliest and vote for thembut please solve this question...
Answer» PLEASE MARK BRAINLY. please please

Discussion

10.	True or false 1. if 6x = 18 ,then x=4
Answer» ANSWER: false Step-by-step explanation: 64=24not 18 63=18 so x=3 mark me as BRAINLIEST

10.

True or false 1. if 6x = 18 ,then x=4

Answer»

ANSWER:

false

Step-by-step explanation:

6*4=24not 18

6*3=18

so x=3

mark me as BRAINLIEST

Discussion

11.	Example 9 :Manisha bought 8 kg rice from the market and brought it to her home. On reachinghome, she found that there is a hole in the bag containing rice because of which800 g rice is lost. Find :(i) the ratio of rice lost to the total rice bought.(ii) the ratio of rice lost to the rice brought home.(iii) the ratio of the rice brought home to the total rice bought.
Answer» Answer: ( I ). 800 : 8000 ( ll ). 800 :7200 ( lll ). 7200 : 8000 Step-by-step explanation: ( L ). Total RICE lost =800 total rice brought = 8 kg. =8000 g ratio =. 800 : 8000 ( ll ). total rice lost = 800 total rice brought at home = 8000g -800 g =7200g. ratio = 800 :7200 ( lll ) total rice brought at home = 7200 g total rice brought = 8000 g ratio = 7200 : 8000 *plz* *mark* me *BRAINIEST*

11.

Example 9 :Manisha bought 8 kg rice from the market and brought it to her home. On reachinghome, she found that there is a hole in the bag containing rice because of which800 g rice is lost. Find :(i) the ratio of rice lost to the total rice bought.(ii) the ratio of rice lost to the rice brought home.(iii) the ratio of the rice brought home to the total rice bought.

Answer»

Answer:

( I ). 800 : 8000

( ll ). 800 :7200

( lll ). 7200 : 8000

Step-by-step explanation:

( L ). Total RICE lost =800

total rice brought = 8 kg. =8000 g

ratio =. 800 : 8000

( ll ). total rice lost = 800

total rice brought at home = 8000g -800 g =7200g.

ratio = 800 :7200

( lll ) total rice brought at home = 7200 g

total rice brought = 8000 g

ratio = 7200 : 8000

plz mark me BRAINIEST

Discussion

12.	Solve it please explain it how
Answer» Answer: 1:3 2: -15 3:6 I HOPE it MAY HELP you

12.

Solve it please explain it how

Answer»

Answer:

1:3

2: -15

3:6

I HOPE it MAY HELP you

Discussion

13.	द प्रोडक्ट ऑफ अ पॉजिटिव एंड नेगेटिव इंटिगर इन ऑर्डर इन डिविजन
Answer» Your ANSWER is NEGATIVE. Because POSITIVE into negative is ALWAYS negative.

13.

द प्रोडक्ट ऑफ अ पॉजिटिव एंड नेगेटिव इंटिगर इन ऑर्डर इन डिविजन

Answer»

Your ANSWER is NEGATIVE. Because POSITIVE into negative is ALWAYS negative.

Discussion

14.	Express x/4-3y=-7in the form of ax+by+c=0 *1 point
Answer» ANSWER: Your QUESTION is not CLEAR.

14.

Express x/4-3y=-7in the form of ax+by+c=0 *1 point

Answer»

ANSWER:

Your QUESTION is not CLEAR.

Discussion

15.	If a cost 20 pen is in rs 356 .80 then what is coast of pen
Answer» ANSWER: PLS MARK me as brainlist Step-by-step explanation: 20 PEN =356.80 1 pen. =? 20x=356.80 1 pen =17.84

15.

If a cost 20 pen is in rs 356 .80 then what is coast of pen

Answer»

ANSWER: PLS MARK me as brainlist

Step-by-step explanation:

20 PEN =356.80

1 pen. =?

20x=356.80

1 pen =17.84

Discussion

16.	X-5/6-x-7/3 = 1 please answer me please I need
Answer» Answer: Be a HAPPY PERSON in LIFE OK REMEMBER my thought

16.

X-5/6-x-7/3 = 1 please answer me please I need

Answer»

Answer:

Be a HAPPY PERSON in LIFE OK REMEMBER my thought

Discussion

17.	Express x/4-3y=-7in the form of ax+by+c=0 *
Answer» $\green{\bold{\underline{ ☆ UPSC-ASPIRANT ☆} }}$ $\red{\bold{\underline{\underline{QUESTION:-}}}}$ x/4-3y=-7 in the form of ax+by+c=0 $\huge\bigstar\huge\tt\underline\red{ᴀɴsᴡᴇʀ }\bigstar$ ------>>>>Here is your answer<<<<-------- ❱ ❱ ❱ SEE in the PICTURE above attach for complete solution step by step:- HOPE IT HELPS YOU.. _____________________ Thankyou:)

17.

Express x/4-3y=-7in the form of ax+by+c=0 *

Answer»

$\green{\bold{\underline{ ☆ UPSC-ASPIRANT ☆} }}$

$\red{\bold{\underline{\underline{QUESTION:-}}}}$

x/4-3y=-7 in the form of ax+by+c=0

$\huge\bigstar\huge\tt\underline\red{ᴀɴsᴡᴇʀ }\bigstar$

------>>>>Here is your answer<<<<--------

❱ ❱ ❱ SEE in the PICTURE above attach for complete solution step by step:-

HOPE IT HELPS YOU..

_____________________

Thankyou:)

Discussion

18.	12. In the given figure, find the perimeter of(a) the rectangle PQRS.(b) the triangle TSR.15 cmm(Hint: Perimeter of a figure = sum of all its side)
Answer» it HELP for you L think Step-by-step EXPLANATION: A is the ANSWER

18.

12. In the given figure, find the perimeter of(a) the rectangle PQRS.(b) the triangle TSR.15 cmm(Hint: Perimeter of a figure = sum of all its side)

Answer»

it HELP for you L think

Step-by-step EXPLANATION:

A is the ANSWER

Discussion

19.	Evalute 4/7 ÷ (3 1/3 + 2 4/5
Answer» ANSWER is 15/161 Step-by-step explanation: 4/7÷(3 1/3+2 4/5) 4/7÷(10/3+14/5) 4/7÷(50+42/15) 4/7÷92/15 4/7×15/92 [by doing RECIPROCAL] 15/161

19.

Evalute 4/7 ÷ (3 1/3 + 2 4/5

Answer»

ANSWER is 15/161

Step-by-step explanation:

4/7÷(3 1/3+2 4/5)

4/7÷(10/3+14/5)

4/7÷(50+42/15)

4/7÷92/15

4/7×15/92 [by doing RECIPROCAL]

15/161

Discussion

20.	If 140 is increased in the ratio of 7 ratio 9 then the increased value is
Answer» ANSWER: *160 is the CORRECT* *answer*

20.

If 140 is increased in the ratio of 7 ratio 9 then the increased value is

Answer»

ANSWER:

160 is the CORRECT answer

Discussion

21.	True or false 1. 4/3 ÷9/5 = 20/27
Answer» Step-by-step explanation: TRUE is ur required answer hope it helps you please mark me as brainliest ⚠️⚠️⚠️⬅️⬅️⬅️please REFER to the above ATTACHMENT DEAR friend

21.

True or false 1. 4/3 ÷9/5 = 20/27

Answer»

Step-by-step explanation:

TRUE is ur required answer hope it helps you please mark me as brainliest ⚠️⚠️⚠️⬅️⬅️⬅️please REFER to the above ATTACHMENT DEAR friend

Discussion

22.	The selling price of an article is 4/3 of its cost price. find the profit per cent
Answer» Answer: 33.33 PERCENT Step-by-step EXPLANATION: CP = x And, SP = 4x/3 :- SP is greater than the CP Gain = SP - CP Gain = 4x/3 - x/1 = x/3 Now, Gain Percentage = Gain/CP = x/3 × 100 = 33.33 percent

22.

The selling price of an article is 4/3 of its cost price. find the profit per cent

Answer»

Answer:

33.33 PERCENT

Step-by-step EXPLANATION:

CP = x

And,

SP = 4x/3

:- SP is greater than the CP

Gain = SP - CP

Gain = 4x/3 - x/1 = x/3

Now,

Gain Percentage = Gain/CP

= x/3 × 100 = 33.33 percent

Discussion

23.	Represent -2/3 and 1/3 on the number line
Answer» Answer: hii friend Step-by-step EXPLANATION: MEET UR answer

23.

Represent -2/3 and 1/3 on the number line

Answer»

Answer:

hii friend

Step-by-step EXPLANATION:

MEET UR answer

Discussion

24.	Find the least number which must be added to 4405776 to make it a perfect square. Also, find the square root of the resulting number.
Answer» Answer: 25 MUST be ADDED and the square ROOT of resulting NUMBER is 2099

24.

Find the least number which must be added to 4405776 to make it a perfect square. Also, find the square root of the resulting number.

Answer»

Answer:

25 MUST be ADDED and the square ROOT of resulting NUMBER is 2099

Discussion

25.	1÷2-√3=A+√B; find the value of A and B.
Answer» Step-by-step explanation: 1/2-√3 = A+√B 1/2-√3 . 2+√3/2+√3 = A+√B 2+√3 / (2)2 - (√3)2 = A+√B 2+√3 / 4 - 3 = A + √B 2+√3 / 1 = A + √B 2+√3 = A + √B A = 2 B = 3

25.

1÷2-√3=A+√B; find the value of A and B.

Answer»

Step-by-step explanation:

1/2-√3 = A+√B

1/2-√3 . 2+√3/2+√3 = A+√B

2+√3 / (2)2 - (√3)2 = A+√B

2+√3 / 4 - 3 = A + √B

2+√3 / 1 = A + √B

2+√3 = A + √B

A = 2

B = 3

Discussion

26.	Q. Find 'x' in 3x + 2 = 5
Answer» Answer: 3x=5-2 3x=3 X=1 so,VALUE of x is 1.

26.

Q. Find 'x' in 3x + 2 = 5

Answer»

Answer:

3x=5-2

3x=3

X=1

so,VALUE of x is 1.

Discussion

27.	Please tell me this question Urgently nowitself
Answer» Answer: 1)The whole numbers are the numbers 0, 1, 2, 3, 4, and so on (the NATURAL numbers and zero). Negative numbers are not CONSIDERED "whole numbers." All natural numbers are whole numbers, but not all whole numbers are natural numbers since zero is a whole number but not a natural number. 2)There is no 'largest' whole number. Except 0, every whole number has an immediate predecessor or a number that comes before. A DECIMAL number or a fraction lies between two whole numbers, but are not whole numbers Step-by-step explanation: Hope it helps you Please mark me as Brainliest!!

27.

Please tell me this question Urgently nowitself

Answer»

Answer:

1)The whole numbers are the numbers 0, 1, 2, 3, 4, and so on (the NATURAL numbers and zero). Negative numbers are not CONSIDERED "whole numbers." All natural numbers are whole numbers, but not all whole numbers are natural numbers since zero is a whole number but not a natural number.

2)There is no 'largest' whole number. Except 0, every whole number has an immediate predecessor or a number that comes before. A DECIMAL number or a fraction lies between two whole numbers, but are not whole numbers

Step-by-step explanation:

Hope it helps you

Please mark me as Brainliest!!

Discussion

28.	The average marks obtained by 50 students in Mathematics is 75. Find the sum of marks obtained.
Answer» ANSWER: Given, The AVERAGE marks obtained by 50 STUDENTS in Mathematics =75. Find the sum of marks obtained = ? Average = Sum of marks / no. of students THUS, 75=S÷50 ( S is sum of marks ) and thus S=75×50=3750

28.

The average marks obtained by 50 students in Mathematics is 75. Find the sum of marks obtained.

Answer»

ANSWER:

Given,

The AVERAGE marks obtained by 50 STUDENTS in Mathematics =75.

Find the sum of marks obtained = ?

Average = Sum of marks / no. of students

THUS, 75=S÷50 ( S is sum of marks )

and thus S=75×50=3750

Discussion

29.	16.A dozen of shirt buttons of same size were arranged one above the other. The total height was 2cm 4mm. Calculate the thickness of one button in mm?
Answer» Answer: 17 MM Step-by-step EXPLANATION: A DOZEN = 12 PEICE 1 cm =100 mm 2cm 4mm = 2×100+4= 204 mm 204/12 = 17 mm answer

29.

16.A dozen of shirt buttons of same size were arranged one above the other. The total height was 2cm 4mm. Calculate the thickness of one button in mm?

Answer»

Answer:

17 MM

Step-by-step EXPLANATION:

A DOZEN = 12 PEICE

1 cm =100 mm

2cm 4mm = 2×100+4= 204 mm

204/12 = 17 mm answer

Discussion

30.	Solve the following:2 2/3+3 1/2
Answer» ANSWER: Step-by-step explanation: 2 – 3/5 = 2/1 – 3/5 = (2 * 5 – 3 * 1)/5 [LCM (1, 5) = 5] = (10 - 3)/5 = 7/5 = 1

30.

Solve the following:2 2/3+3 1/2

Answer»

ANSWER:

Step-by-step explanation:

2 – 3/5 = 2/1 – 3/5

= (2 * 5 – 3 * 1)/5 [LCM (1, 5) = 5]

= (10 - 3)/5

= 7/5

= 1

Discussion

31.	In a data, mean of 25 terms is 45. Find the sum of the terms.
Answer» MEAN= sum of observations÷ no. of observations 45= sum of observations÷25 ∴ sum of observations= 45 X 25= 1125

31.

In a data, mean of 25 terms is 45. Find the sum of the terms.

Answer»

MEAN= sum of observations÷ no. of observations

45= sum of observations÷25

∴ sum of observations= 45 X 25= 1125

Discussion

32.	Three bakers divided 12.675 kg of wheat flour equally among themselves. Each one of them used all the flour equally to bake 5 vanilla cakes. How much wheat flour did each cake require?
Answer» if each on backed 5 CAKES then here is the answer: weight of wheat flour =12.675 no of bakers=3 weight each baker got=12.675/3=4.225 so to find wheat flour required for 1 CAKE we need to divide 4.225 by 5=4.225/5=0.845 so each cake required 0.845 kg of wheat flour if this was useful then please MARK me as a BRAINLEIST

32.

Three bakers divided 12.675 kg of wheat flour equally among themselves. Each one of them used all the flour equally to bake 5 vanilla cakes. How much wheat flour did each cake require?

Answer»

if each on backed 5 CAKES then here is the answer:

weight of wheat flour =12.675

no of bakers=3

weight each baker got=12.675/3=4.225

so to find wheat flour required for 1 CAKE we need to divide 4.225 by 5=4.225/5=0.845

so each cake required 0.845 kg of wheat flour

if this was useful then please MARK me as a BRAINLEIST

Discussion

33.	Simplyfy {36÷(-6)} ÷ {9÷(-3)}
Answer» Answer: 2 Step-by-step explanation: 36 ÷ -6 = -6 9÷ -3= -3 -6 ÷ -3= 2

33.

Simplyfy {36÷(-6)} ÷ {9÷(-3)}

Answer»

Answer:

2

Step-by-step explanation:

36 ÷ -6 = -6

9÷ -3= -3

-6 ÷ -3= 2

Discussion

34.	True or false 1. division of rational numbers is not comunicative
Answer» Step-by-step explanation: true mark me BRAINIEST and rate me excellent if U like FOLLOW me

34.

True or false 1. division of rational numbers is not comunicative

Answer»

Step-by-step explanation:

true

mark me BRAINIEST and rate me excellent

if U like FOLLOW me

Discussion

35.	The ratio of 18 hours to 30 minute
Answer» 30 MINUTES = 1/2 hour Thus, 18 hours:30 minutes = 18:1/2 = 18 / (1/2) = 36 / 1 = 36 : 1

35.

The ratio of 18 hours to 30 minute

Answer»

30 MINUTES = 1/2 hour

Thus, 18 hours:30 minutes

= 18:1/2

= 18 / (1/2)

= 36 / 1

= 36 : 1

Discussion

36.	Three open cylindrical jars, each with a radius of 7 cm, are connected by small pipes as shown. The first pipe is at a height of 25 cm from the bottom, while the second pipe is at a height of 15 cm. Ajay poured 7.7 litres of water into Jar 1. What will be the height of water level in Jar 3? [Use π=22/7] . first to answer will be marked brainliest
Answer» ANSWER: show the diagram i TELL you Step-by-step explanation: show the diagram i tell you the answer mark my answer as BRAINLIEST if this HELPS you

36.

Three open cylindrical jars, each with a radius of 7 cm, are connected by small pipes as shown. The first pipe is at a height of 25 cm from the bottom, while the second pipe is at a height of 15 cm. Ajay poured 7.7 litres of water into Jar 1. What will be the height of water level in Jar 3? [Use π=22/7] . first to answer will be marked brainliest

Answer»

ANSWER:

show the diagram i TELL you

Step-by-step explanation:

show the diagram i tell you the answer

mark my answer as BRAINLIEST if this HELPS you

Discussion

37.	Ravi tries to be as g _ _ _ r_ _ s as karan
Answer» RAVI TRIES to be as gooders as KARAN

Discussion

38.	The length of a room is 50 per cent more than its breadth.The cost of carpeting the room at the rate of * 38.50m2 is924 and the cost of painting the walls at the rate of * 5.50per m² is 1,320. Find the dimensions of the room.
Answer» ANSWER: ANSWER: Step-by-step explanation: Let the BREADTH of the floor be x meters so, Lenght of the room = 1x/2 +x meters = 3x/2 meters Rate of carpeting the floor = 38.50 PER m2 Total cost of carpeting the room = 924 ATQ Lenght × Breadth × 38.50 = 924 x × 3x/2 × 38.50 = 924 3x2/2 × 38.50 = 924 3x2 × 19.25 = 924 3x2 = 924 ÷ 19.25 3x2 = 48 x2 = 16 x = 4 meters so, lenght = 6 meters breadth = 4 meters

38.

The length of a room is 50 per cent more than its breadth.The cost of carpeting the room at the rate of * 38.50m2 is924 and the cost of painting the walls at the rate of * 5.50per m² is 1,320. Find the dimensions of the room.

Answer»

ANSWER:

ANSWER:

Step-by-step explanation:

Let the BREADTH of the floor be x meters

so, Lenght of the room = 1x/2 +x meters

= 3x/2 meters

Rate of carpeting the floor = 38.50 PER m**2

Total cost of carpeting the room = 924

ATQ

Lenght × Breadth × 38.50 = 924

x × 3x/2 × 38.50 = 924

3x**2/2 × 38.50 = 924

3x**2 × 19.25 = 924

3x**2 = 924 ÷ 19.25

3x**2 = 48

x**2 = 16

x = 4 meters

so, lenght = 6 meters

breadth = 4 meters

Discussion

39.	1. In our country, the number of cars were sold in the year 2017 – 2018Was 4,68,000. In the year 2018 – 2019, the number of cars sold was7,00,500. In which year more bicycles were sold? And how many more?what is this answer addition or subtraction
Answer» Answer: 232500 Step-by-step EXPLANATION: in YEAR 2018-2019 no of CARS where more

39.

1. In our country, the number of cars were sold in the year 2017 – 2018Was 4,68,000. In the year 2018 – 2019, the number of cars sold was7,00,500. In which year more bicycles were sold? And how many more?what is this answer addition or subtraction

Answer»

Answer:

232500

Step-by-step EXPLANATION:

in YEAR 2018-2019 no of CARS where more

Discussion

40.	Q7. If (9+x)(x-3) = x2 + 6x + p then the val = of pis1.-92.243. 184.-27Answer:12.34
Answer» ANSWER: -27 Step-by-step EXPLANATION: (9+x)(x-3) == $x^{2}$ +6x-27

40.

Q7. If (9+x)(x-3) = x2 + 6x + p then the val = of pis1.-92.243. 184.-27Answer:12.34

Answer»

ANSWER:

-27

Step-by-step EXPLANATION:

(9+x)(x-3) == $x^{2}$ +6x-27

Discussion

41.	EXERCISE 1.11. Find the value of:(i) \|17 - 25\|
Answer» \|17-25\| = \|-8\| = 8 (modulus \| \| gives the ABSOLUTE value of the number....it BASICALLY removes the -ve sign)

41.

EXERCISE 1.11. Find the value of:(i) |17 - 25|

Answer»

|17-25|

= |-8|

= 8 (modulus | | gives the ABSOLUTE value of the number....it BASICALLY removes the -ve sign)

Discussion

42.	Prove that bo=ac...........................
Answer» ANSWER: in triangle ABC and abd ab =ab ad=bc dab =cba so ∆abc =~ ∆abd so AC = bd by CPCT

42.

Prove that bo=ac...........................

Answer»

ANSWER:

in triangle ABC and abd

ab =ab

ad=bc

dab =cba

so

∆abc =~ ∆abd

so

AC = bd by CPCT

Discussion

43.	Sushant's present age is thrice of Disha. If Disha's age three years ago was x. Then Sushant's present age is
Answer» ANSWER: Let us CONSIDER the problem: Given that: Disha age 3 years ago is X years. Therefore, PRESENT age of Disha is (x+3) SUSHANT present age is thrice of Disha. Therefore Sushant present age is 3(x+3)=3x+9 years

43.

Sushant's present age is thrice of Disha. If Disha's age three years ago was x. Then Sushant's present age is

Answer»

ANSWER:

Let us CONSIDER the problem:

Given that:

Disha age 3 years ago is X years.

Therefore,

PRESENT age of Disha is (x+3)

SUSHANT present age is thrice of Disha. Therefore Sushant present age is

3(x+3)=3x+9 years

Discussion

44.	Convert : 20 km 10dam 50 m into metres
Answer» Answer: 20150 Step-by-step explanation: 20km=20000m 10dam=100m +50m =20000+100+50 =20150

44.

Convert : 20 km 10dam 50 m into metres

Answer»

Answer:

20150

Step-by-step explanation:

20km=20000m

10dam=100m

+50m

=20000+100+50

=20150

Discussion

45.	Question:solve this question
Answer» Answer: of Question 20 is 5 Step-by-step explanation: (25)1/3(5)1/3 {(5)2}1/3 (5)1/3 (5)2/3 * (5)1/3 since the base IE, 5 is same... (5)2/3+1/3 taking the LCM of 2/3 and 1/3..... (5)3/3 (5)1 5

45.

Question:solve this question

Answer»

Answer:

of Question 20 is 5

Step-by-step explanation:

(25)1/3*(5)1/3

{(5)2}1/3 * (5)1/3

(5)2/3 * (5)1/3

since the base IE, 5 is same...

(5)2/3+1/3

taking the LCM of 2/3 and 1/3.....

(5)3/3

(5)1

5

Discussion

46.	How to find the factors of a number
Answer» To make it easier, create a table with two columns and write the number above it. USING the number 3784 as an EXAMPLE, start by DIVIDING it by the SMALLEST prime factor (bigger than 1) that goes into it evenly with no remainder. In this case, 2 x 1892 = 3784. Write the prime factor (2) in the left column and the other number (1892) in the right column. Continue with this process, i.e. 2 x 946 = 1892, adding both numbers to the table. When you reach an ODD number (e.g., 2 x 473 = 946), divide by small prime numbers besides 2 until you find one that divides evenly with no remainder. In this case, 11 x 43 = 473. Continue the process until you reach 1. Hope it will help :)

46.

How to find the factors of a number

Answer»

To make it easier, create a table with two columns and write the number above it. USING the number 3784 as an EXAMPLE, start by DIVIDING it by the SMALLEST prime factor (bigger than 1) that goes into it evenly with no remainder. In this case, 2 x 1892 = 3784. Write the prime factor (2) in the left column and the other number (1892) in the right column.

Continue with this process, i.e. 2 x 946 = 1892, adding both numbers to the table. When you reach an ODD number (e.g., 2 x 473 = 946), divide by small prime numbers besides 2 until you find one that divides evenly with no remainder. In this case, 11 x 43 = 473. Continue the process until you reach 1.

Hope it will help :)

Discussion

47.	Solve it please also explain it
Answer» ANSWER: $i) = {( \frac{3}{4}) }^{2} \times { ( - \frac{3}{4}) }^{3} \\ \\ = - ( { \frac{3}{4} )}^{2 + 3} \\ \\ = - {(\frac{3}{4} )}^{5} \\ \\ ii) \\ = {( \frac{4}{7}) }^{3} \times {( \frac{4}{7}) }^{5} \\ \\ = {( \frac{4}{7} )}^{3 + 5} \\ \\ = { (\frac{4}{7}) }^{8}$

47.

Solve it please also explain it

Answer»

ANSWER:

$i) = {( \frac{3}{4}) }^{2} \times { ( - \frac{3}{4}) }^{3} \\ \\ = - ( { \frac{3}{4} )}^{2 + 3} \\ \\ = - {(\frac{3}{4} )}^{5} \\ \\ ii) \\ = {( \frac{4}{7}) }^{3} \times {( \frac{4}{7}) }^{5} \\ \\ = {( \frac{4}{7} )}^{3 + 5} \\ \\ = { (\frac{4}{7}) }^{8}$

Discussion

48.	. Which of the following statements is always true?(x ÷ y) / 2 is a rational number between x and y.(x − y) / 2 is a rational number between x and y.(x × y) / 2 is a rational number between x and y.(x + y) / 2 is a rational number between x and y.
Answer» (x + y) / 2 is a RATIONAL number between x and y. It is true $100\% \: sure$ mark me BRAINLIEST and FOLLOW me

48.

. Which of the following statements is always true?(x ÷ y) / 2 is a rational number between x and y.(x − y) / 2 is a rational number between x and y.(x × y) / 2 is a rational number between x and y.(x + y) / 2 is a rational number between x and y.

Answer»

(x + y) / 2 is a RATIONAL number between x and y.

It is true

$100\% \: sure$

mark me BRAINLIEST and FOLLOW me

Discussion

49.	Q. Two lines intersect by a transversal, then how many angles formed ?
Answer» Answer: 8 Step-by-step explanation: 4 on the FIRST LINE and 4 on the second Hope you FOUND it HELPFUL!!!

49.

Q. Two lines intersect by a transversal, then how many angles formed ?

Answer»

Answer:

8

Step-by-step explanation:

4 on the FIRST LINE and 4 on the second

Hope you FOUND it HELPFUL!!!

Discussion

50.	if a match does not end in draw, if a probability of winning is 4/10 what is the probability of losing?
Answer» Step-by-step explanation: dhdjjdhfydieje to be R reader r of Adobe E to the Pokemon X A the Pokemon Black FRIDAY shopping for four days over Cartoon on Indian culture and tradition and culture and eng 2 u can you tell me how can I cannot find it in my life and in a lot of people I cannot be guaranteed to make SURE you GUYS have WRITTEN acemiz the same to you soon and I will also be used for the delay I cannot find the

50.

if a match does not end in draw, if a probability of winning is 4/10 what is the probability of losing?

Answer»

Step-by-step explanation:

dhdjjdhfydieje to be R reader r of Adobe E to the Pokemon X A the Pokemon Black FRIDAY shopping for four days over Cartoon on Indian culture and tradition and culture and eng 2 u can you tell me how can I cannot find it in my life and in a lot of people I cannot be guaranteed to make SURE you GUYS have WRITTEN acemiz the same to you soon and I will also be used for the delay I cannot find the

Discussion

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