19743 + Interview Questions in Mathematics Page 18 InterviewSolution

851.	(4×(z+2))+(4×(2)) equals
Answer» $(4 \times (z + 2)) + (4 \times (2))$ equals

Discussion

852.	If A = {letters of the word CRICKET} and B = {letters of the word HOCKEY}, then A and B are ___.
Answer» If A = {letters of the word CRICKET} and B = {letters of the word HOCKEY}, then A and B are ___.

Discussion

853.	Solve the equation x+32=52
Answer» Solve the equation $x + \frac{3}{2} = \frac{5}{2}$

Discussion

854.	The table below gives the flavours of ice-cream liked by children (boy and girls) of a society. Study the table and answer the following questions: How many girls are there in all?
Answer» The table below gives the flavours of ice-cream liked by children (boy and girls) of a society. Study the table and answer the following questions: How many girls are there in all?

Discussion

855.	Question 4 (iii) Which of the following can be the sides of a right triangle? 1.5 cm, 2 cm, 2.5cm In the case of right angled triangles, identify the right angles.
Answer» Question 4 (iii) Which of the following can be the sides of a right triangle? 1.5 cm, 2 cm, 2.5cm In the case of right angled triangles, identify the right angles.

Discussion

856.	Question 50In the question given below, fill in the blank to make the statement true:Area of a rectangular plot with sides 4x2 and 3y2 is ___
Answer» Question 50 In the question given below, fill in the blank to make the statement true: Area of a rectangular plot with sides $4 x^{2}$ and $3 y^{2}$ is ___

Discussion

857.	25. (a square)( b)+( a)(b square) - (abc)- (b square )(c) +(axy)+(bxy).
Answer» 25. (a square)( b)+( a)(b square) - (abc)- (b square )(c) +(axy)+(bxy).

Discussion

858.	The equation of straight line belongs to the family of lines (4x−3y)+λ(x+2y−11)=0 and parallel to the acute angle bisector between the lines x−√3y+11=0 and 2√3x−2y+7=0 is
Answer» The equation of straight line belongs to the family of lines $(4 x - 3 y) + λ (x + 2 y - 11) = 0$ and parallel to the acute angle bisector between the lines $x - \sqrt{3} y + 11 = 0$ and $2 \sqrt{3} x - 2 y + 7 = 0$ is

Discussion

859.	In a football match, Ronaldo makes 4 goals from 10 penalty kicks. The probability of converting a penalty kick into a goal by Ronaldo is
Answer» In a football match, Ronaldo makes 4 goals from 10 penalty kicks. The probability of converting a penalty kick into a goal by Ronaldo is

Discussion

860.	OnOides AB, BC and AC of AABC, equilateral triangles ABC', BCA' and CAB' are drawn.Prove that AA' = BB' = CC'.AC.If D is the mid point of the hypotenuse AC of a right angled AABC, prove that BD =DAtal trianale are equal.RA
Answer» OnOides AB, BC and AC of AABC, equilateral triangles ABC', BCA' and CAB' are drawn.Prove that AA' = BB' = CC'.AC.If D is the mid point of the hypotenuse AC of a right angled AABC, prove that BD =DAtal trianale are equal.RA

Discussion

861.	Question 8(a) In a year, Seema earns Rs 1,50,000 and saves Rs 50,000. Find the ratio of: Money that Seema earns to the money she saves.
Answer» Question 8(a) In a year, Seema earns Rs 1,50,000 and saves Rs 50,000. Find the ratio of: Money that Seema earns to the money she saves.

861.

Question 8(a) In a year, Seema earns Rs 1,50,000 and saves Rs 50,000. Find the ratio of: Money that Seema earns to the money she saves.

Answer»

Question 8(a)

In a year, Seema earns Rs 1,50,000 and saves Rs 50,000. Find the ratio of:

Money that Seema earns to the money she saves.

Discussion

862.	A ray OC is constructed on the line segment AB such that ∠BOC is x∘. What will ∠AOC be?
Answer» A ray OC is constructed on the line segment AB such that $∠ B O C$ is $x^{\circ}$ . What will $∠ A O C$ be?

862.

A ray OC is constructed on the line segment AB such that ∠BOC is x∘. What will ∠AOC be?

Answer»

A ray OC is constructed on the line segment AB such that $∠ B O C$ is $x^{\circ}$ .

What will $∠ A O C$ be?

Discussion

863.	What is the ratio by which the C.P. has to be multiplied to get the S.P., if the profit is 10%?
Answer» What is the ratio by which the C.P. has to be multiplied to get the S.P., if the profit is 10%?

Discussion

864.	Simplify : (x+y)3
Answer» Simplify : (x+y)3

Discussion

865.	Two lines intersect at a point and a ray is drawn from the point of intersection. The ray divides the angle between the lines into 1:2 ratio. One of the angles is given, find the value of 'x'.
Answer» Two lines intersect at a point and a ray is drawn from the point of intersection. The ray divides the angle between the lines into 1:2 ratio. One of the angles is given, find the value of 'x'.

865.

Two lines intersect at a point and a ray is drawn from the point of intersection. The ray divides the angle between the lines into 1:2 ratio. One of the angles is given, find the value of 'x'.

Answer»

Two lines intersect at a point and a ray is drawn from the point of intersection. The ray divides the angle between the lines into 1:2 ratio. One of the angles is given, find the value of 'x'.

Discussion

866.	What do you understand by the following statements? (a) "We do many things, sir," Nicola answered seriously. He glanced at us hopefully. (b) He coloured deeply under his sunburn, then grew pale (c) He smiled uncomfortably. "Just plans, sir," he answered in a low voice. (d) Yet in both these boyish faces there was a seriousness which was far beyond their years.
Answer» What do you understand by the following statements? (a) "We do many things, sir," Nicola answered seriously. He glanced at us hopefully. (b) He coloured deeply under his sunburn, then grew pale (c) He smiled uncomfortably. "Just plans, sir," he answered in a low voice. (d) Yet in both these boyish faces there was a seriousness which was far beyond their years.

866.

What do you understand by the following statements? (a) "We do many things, sir," Nicola answered seriously. He glanced at us hopefully. (b) He coloured deeply under his sunburn, then grew pale (c) He smiled uncomfortably. "Just plans, sir," he answered in a low voice. (d) Yet in both these boyish faces there was a seriousness which was far beyond their years.

Answer»

What do you
understand by the following statements?

(a) "We
do many things, sir," Nicola answered seriously. He glanced at
us hopefully.

(b) He
coloured deeply under his sunburn, then grew pale

(c) He
smiled uncomfortably. "Just plans, sir," he answered in a
low voice.

(d) Yet in both these boyish faces there
was a seriousness which was far beyond their years.

Discussion

867.	Find average of 6.8 ,3.2, 5.7
Answer» Find average of 6.8 ,3.2, 5.7

867.

Find average of 6.8 ,3.2, 5.7

Answer»

Find average of

6.8 ,3.2, 5.7

Discussion

868.	Manu studies for 312 hours daily. He devotes 123 hours of his time to English and mathematics. How much time does he devote to other subjects? (Hint: Subtract the time spent on mathematics and English from the total time spent on studies)
Answer» Manu studies for $3 \frac{1}{2}$ hours daily. He devotes $1 \frac{2}{3}$ hours of his time to English and mathematics. How much time does he devote to other subjects? (Hint: Subtract the time spent on mathematics and English from the total time spent on studies)

Discussion

869.	Solve 3-11 3+11.
Answer» Solve $(3 - \sqrt{11}) (3 + \sqrt{11})$ .

Discussion

870.	Question 42(ii)At a fete, cards bearing numbers 1 to 1000, one number on one card, are put in a box. Each player selects one card at random and that card is not replaced. If the selected card has a perfect square greater than 500, the player wins a prize. What is the probability that the second player wins a prize if the first has won?
Answer» Question 42(ii) At a fete, cards bearing numbers 1 to 1000, one number on one card, are put in a box. Each player selects one card at random and that card is not replaced. If the selected card has a perfect square greater than 500, the player wins a prize. What is the probability that the second player wins a prize if the first has won?

Discussion

871.

The News paper circulated in a town are as follows. Draw a pie chart.News paper No. of copies circulated (a) Prajavani 300 (b) Kannada Prabha 180 (c) Vijaya Karnataka 400 (d) Samyukta Karnataka 320

Answer»

The News paper circulated in a town are as follows. Draw a pie chart.

News paper		No. of copies circulated
(a)	Prajavani		300
(b)	Kannada Prabha		180
(c)	Vijaya Karnataka		400
(d)	Samyukta Karnataka		320

Discussion

872.	Which of the following graphs represent the solution of the inequation written below: 2x−5≤5x+4<11, xϵR
Answer» Which of the following graphs represent the solution of the inequation written below: $2 x - 5 \leq 5 x + 4 < 11, x ϵ R$

872.

Which of the following graphs represent the solution of the inequation written below: 2x−5≤5x+4<11, xϵR

Answer»

Which of the following graphs represent the solution of the inequation written below:

$2 x - 5 \leq 5 x + 4 < 11, x ϵ R$

Discussion

873.	Make your own magic triangle by placing from 1 to 6 in the given figure.Rule: Numbers on each side must add up to 10.
Answer» Make your own magic triangle by placing from 1 to 6 in the given figure. Rule: Numbers on each side must add up to 10.

Discussion

874.	If 5 is added to three times the product of two numbers m and n, then the expression will be _______.
Answer» If 5 is added to three times the product of two numbers $m$ and $n$ , then the expression will be _______.

Discussion

875.

Types of MoviesPeopleSci-fi25Comedy15Action35Romance45The given table shows the types of movies preferred by different family members of a family. What would be the angular proportion of the people preferring to watch Action movies?

Answer»

Types of Movies	People
Sci-fi	25
Comedy	15
Action	35
Romance	45

The given table shows the types of movies preferred by different family members of a family. What would be the angular proportion of the people preferring to watch Action movies?

Discussion

876.

D.Chadha, Delhi commenced business on 1st January, 2019. His transactions for the month are given below. Journalise them. He will close his books on 31st March each year. 2019 ₹ Jan. 1 Commenced business with Cash 25,000 Jan. 2 Opened Bank Account with cheque from his Savings Account 2,25,000 Jan. 3 Bought goods from Ramesh & Co., Delhi, plus CGST and SGST 6% each 54,000 Jan. 3 Sold goods to Rajesh of ₹ 60,000, charged CGST and SGST 6% each Jan. 7 Bought goods from Rahul, Chennal, plus IGST 12% 65,000 Jan. 8 Paid wages in cash (GST not levied) 8,000 Jan. 8 Sold goods to Mahesh, Kochi of ₹ 60,000; charged IGST 12% Jan. 10 Received cheque from Rajesh (Discount allowed ₹ 1,200) 66,000 Jan. 11 Paid to Ramesh & Co. (Discount received ₹ 2,700) 51,300 Jan. 12 Paid rent ₹ 15,000 per month for three months up to March, plus CGST and SGST 6% each Jan. 15 Paid office expenses in cash 700 Jan. 21 Sold to Rakesh, Delhi goods of ₹ 25,000, charged CGST and SGST 6% each Jan. 22 Paid office expenses in cash 500 Jan. 22 Paid to Rahul by cheque (discount ₹ 3,200) 61,300 Jan. 25 Received cheque from Mahesh Kochi (discount ₹ 1,500) 65,700 Jan. 27 Rakesh, Delhi returned goods (being not as per sample) 2,000 Jan. 31 Paid salaries for the month 20,000

Answer» D.Chadha, Delhi commenced business on 1st January, 2019. His transactions for the month are given below. Journalise them. He will close his books on 31st March each year.

2019		₹
Jan. 1	Commenced business with Cash	25,000
Jan. 2	Opened Bank Account with cheque from his Savings Account	2,25,000
Jan. 3	Bought goods from Ramesh & Co., Delhi, plus CGST and SGST 6% each	54,000
Jan. 3	Sold goods to Rajesh of ₹ 60,000, charged CGST and SGST 6% each
Jan. 7	Bought goods from Rahul, Chennal, plus IGST 12%	65,000
Jan. 8	Paid wages in cash (GST not levied)	8,000
Jan. 8	Sold goods to Mahesh, Kochi of ₹ 60,000; charged IGST 12%
Jan. 10	Received cheque from Rajesh (Discount allowed ₹ 1,200)	66,000
Jan. 11	Paid to Ramesh & Co. (Discount received ₹ 2,700)	51,300
Jan. 12	Paid rent ₹ 15,000 per month for three months up to March, plus CGST and SGST 6% each
Jan. 15	Paid office expenses in cash	700
Jan. 21	Sold to Rakesh, Delhi goods of ₹ 25,000, charged CGST and SGST 6% each
Jan. 22	Paid office expenses in cash	500
Jan. 22	Paid to Rahul by cheque (discount ₹ 3,200)	61,300
Jan. 25	Received cheque from Mahesh Kochi (discount ₹ 1,500)	65,700
Jan. 27	Rakesh, Delhi returned goods (being not as per sample)	2,000
Jan. 31	Paid salaries for the month	20,000

Discussion

877.	The distance (in km) of 40 engineers from their residence to their place of work were found as follows: 5 3 10 20 25 11 13 7 12 31 19 10 12 17 18 11 32 17 16 2 7 9 7 8 3 5 12 15 18 3 12 14 2 9 6 15 15 7 6 12.What is the empirical probability that an engineer lives:(i) less than 7 km from her place of work?(ii) more than or equal to 7 km from her place of work?(iii) within 12 km from her place of work?
Answer» The distance (in km) of 40 engineers from their residence to their place of work were found as follows: 5 3 10 20 25 11 13 7 12 31 19 10 12 17 18 11 32 17 16 2 7 9 7 8 3 5 12 15 18 3 12 14 2 9 6 15 15 7 6 12. What is the empirical probability that an engineer lives: (i) less than 7 km from her place of work? (ii) more than or equal to 7 km from her place of work? (iii) within $\frac{1}{2}$ km from her place of work?

877.

The distance (in km) of 40 engineers from their residence to their place of work were found as follows: 5 3 10 20 25 11 13 7 12 31 19 10 12 17 18 11 32 17 16 2 7 9 7 8 3 5 12 15 18 3 12 14 2 9 6 15 15 7 6 12.What is the empirical probability that an engineer lives:(i) less than 7 km from her place of work?(ii) more than or equal to 7 km from her place of work?(iii) within 12 km from her place of work?

Answer»

The distance (in km) of 40 engineers from their residence to their place of work were found as follows: 5 3 10 20 25 11 13 7 12 31 19 10 12 17 18 11 32 17 16 2 7 9 7 8 3 5 12 15 18 3 12 14 2 9 6 15 15 7 6 12.

What is the empirical probability that an engineer lives:

(i) less than 7 km from her place of work?

(ii) more than or equal to 7 km from her place of work?

(iii) within $\frac{1}{2}$ km from her place of work?

Discussion

878.	WHAT IS THE FORMULA TO FIND OUT ANY TERM FROM THE END OF AN A.P?ALSO HOW TO CALCULATE THE SUM OF n TERMS OF AN A.P FROM THE END OF THAT A.P?
Answer» WHAT IS THE FORMULA TO FIND OUT ANY TERM FROM THE END OF AN A.P? ALSO HOW TO CALCULATE THE SUM OF n TERMS OF AN A.P FROM THE END OF THAT A.P?

Discussion

879.	Question 112(ii)Simplify37×2815÷145
Answer» Question 112(ii) Simplify $\frac{3}{7} \times \frac{28}{15} \div \frac{14}{5}$

Discussion

880.	811/4 × 93/2 × 27–4/3 is equal to _________.
Answer» 81^1/4 × 9^3/2 × 27^–4/3 is equal to _________.

Discussion

881.

Match the nets withappropriate solids: (a) (i) (b) (ii) (c) (iii) (d) (iv)

Answer»

Match the nets with
appropriate solids:

(a)		(i)
(b)		(ii)
(c)		(iii)
(d)		(iv)

Discussion

882.	In the given figure, ABCD is a rhombus. If OB = 3 units, OC = 4 units and AE = 6.4 units. Find the length of BE.
Answer» In the given figure, ABCD is a rhombus. If OB = 3 units, OC = 4 units and AE = 6.4 units. Find the length of BE.

882.

In the given figure, ABCD is a rhombus. If OB = 3 units, OC = 4 units and AE = 6.4 units. Find the length of BE.

Answer»

In the given figure, ABCD is a rhombus. If OB = 3 units, OC = 4 units and AE = 6.4 units. Find the length of BE.

Discussion

883.	38. How to find numerical value of vector?
Answer» 38. How to find numerical value of vector?

Discussion

884.	Ram can run 3 times faster than Rahul. If Rahul's speed is 5 km/hr. Then speed of Ram is ___ km/hr.
Answer» Ram can run 3 times faster than Rahul. If Rahul's speed is 5 km/hr. Then speed of Ram is ___ km/hr.

Discussion

885.	Mark the correct alternative in the following question:The sum of a and b is multiplied by taking away 5 from their sum. The expression representing the statement is(a) (a + b)(a + b - 5) (b) (a + b)(5 - a - b) (c) (a + b)(5 - a + b) (d) (a + b)(5 + a - b)
Answer» Mark the correct alternative in the following question: The sum of a and b is multiplied by taking away 5 from their sum. The expression representing the statement is (a) (a + b)(a + b $-$ 5) (b) (a + b)(5 $-$ a $-$ b) (c) (a + b)(5 $-$ a + b) (d) (a + b)(5 + a $-$ b)

Discussion

886.	If P(A) and P(not A) are complementary events and P(A) = 0.15, then P(not A) = ?
Answer» If P(A) and P(not A) are complementary events and P(A) = 0.15, then P(not A) = ?

Discussion

887.	A circle of radius √7 cm is inscribed in a square. Find the area of the shaded region. (use π=227) cm2
Answer» A circle of radius $\sqrt{7}$ cm is inscribed in a square. Find the area of the shaded region. $(use π = \frac{22}{7})$ ${cm}^{2}$

Discussion

888.	The mixed fraction 547 can be expressed as ______ .
Answer» The mixed fraction 5 $\frac{4}{7}$ can be expressed as ______ .

Discussion

889.	The side of a cube whose volume is 9261000 m3 is _______.
Answer» The side of a cube whose volume is $9261000 m^{3}$ is _______.

Discussion

890.	KF combines with HF to form KHF2 . The compound contains the species ?a.K+,F-,H+ b. K+,F- and HF c. K+ and \lbrack HF2\rbrack- d. \lbrack KHF\rbrack+ and F2
Answer» KF combines with HF to form KHF2 . The compound contains the species ?a.K+,F-,H+ b. K+,F- and HF c. K+ and \lbrack HF2\rbrack- d. \lbrack KHF\rbrack+ and F2

Discussion

891.	Which of the following triangles are isosceles as well as obtuse-angled triangles?
Answer» Which of the following triangles are isosceles as well as obtuse-angled triangles?

891.

Which of the following triangles are isosceles as well as obtuse-angled triangles?

Answer»

Which of the following triangles are isosceles as well as obtuse-angled triangles?

Discussion

892.	साँप का ध्यान बँटाने के लिए लेखक ने क्या-क्या युक्तियाँ अपनाईं?
Answer» साँप का ध्यान बँटाने के लिए लेखक ने क्या-क्या युक्तियाँ अपनाईं?

Discussion

893.	A sum of ₹ 56000 gives ₹ 280 as interest in 2 years. Find the rate of interest. If the interest rate was 11%, then find the interest in two years. [4 MARKS]
Answer» A sum of ₹ 56000 gives ₹ 280 as interest in 2 years. Find the rate of interest. If the interest rate was 11 $%$ , then find the interest in two years. [4 MARKS]

Discussion

894.	What is the sum of the measures of the angles of a convex quadrilateral ? Will this property hold if the quadrilateral is not convex
Answer» What is the sum of the measures of the angles of a convex quadrilateral ? Will this property hold if the quadrilateral is not convex

Discussion

895.	Question 1 (i)In an isosceles triangle ABC, with AB = AC, the bisectors of ∠B and ∠C intersecteach other at O. Join A to O. Show that:OB = OC
Answer» Question 1 (i) In an isosceles triangle ABC, with AB = AC, the bisectors of $∠ B a n d ∠ C i n t e r s e c t$ each other at O. Join A to O. Show that: OB = OC

Discussion

896.	Simplify: (a3−b3)÷(a−b)
Answer» Simplify: $(a^{3} - b^{3}) \div (a - b)$

Discussion

897.	A ladder on the platform of a fire brigade van can be elevated at an angle of 70° to the maximum. The length of the ladder can be extended upto 20 m. If the platform is 2m above the ground, find the maximum height from the ground upto which the ladder can reach. (sin 70° = 0.94)
Answer» A ladder on the platform of a fire brigade van can be elevated at an angle of 70° to the maximum. The length of the ladder can be extended upto 20 m. If the platform is 2m above the ground, find the maximum height from the ground upto which the ladder can reach. (sin 70° = 0.94)

Discussion

898.	The probability of an event is 89. What is the probability of the complement of this event?
Answer» The probability of an event is $\frac{8}{9}$ . What is the probability of the complement of this event?

Discussion

899.	5 m - n= 3m + 4n then find the values of the following expressions.(i) m2+ n2m2- n2(ii) 3m + 4n3m - 4n
Answer» 5 $m - n$ $= 3 m + 4 n$ then find the values of the following expressions. (i) $\frac{m^{2} + n^{2}}{m^{2} - n^{2}}$ (ii) $\frac{3 m + 4 n}{3 m - 4 n}$

Discussion

900.	Two angles add up to give 90o. Smaller angle is 12o more than half of the bigger angle. The bigger angle is
Answer» Two angles add up to give 90^o. Smaller angle is 12^o more than half of the bigger angle. The bigger angle is

Discussion

Explore topic-wise InterviewSolutions in .

(4×(z+2))+(4×(2)) equals

If A = {letters of the word CRICKET} and B = {letters of the word HOCKEY}, then A and B are ___.

Solve the equation x+32=52

The table below gives the flavours of ice-cream liked by children (boy and girls) of a society. Study the table and answer the following questions: How many girls are there in all?

Question 4 (iii) Which of the following can be the sides of a right triangle? 1.5 cm, 2 cm, 2.5cm In the case of right angled triangles, identify the right angles.

Question 50In the question given below, fill in the blank to make the statement true:Area of a rectangular plot with sides 4x2 and 3y2 is ___

25. (a square)( b)+( a)(b square) - (abc)- (b square )(c) +(axy)+(bxy).

The equation of straight line belongs to the family of lines (4x−3y)+λ(x+2y−11)=0 and parallel to the acute angle bisector between the lines x−√3y+11=0 and 2√3x−2y+7=0 is

In a football match, Ronaldo makes 4 goals from 10 penalty kicks. The probability of converting a penalty kick into a goal by Ronaldo is

OnOides AB, BC and AC of AABC, equilateral triangles ABC', BCA' and CAB' are drawn.Prove that AA' = BB' = CC'.AC.If D is the mid point of the hypotenuse AC of a right angled AABC, prove that BD =DAtal trianale are equal.RA

Question 8(a) In a year, Seema earns Rs 1,50,000 and saves Rs 50,000. Find the ratio of: Money that Seema earns to the money she saves.

A ray OC is constructed on the line segment AB such that ∠BOC is x∘. What will ∠AOC be?

What is the ratio by which the C.P. has to be multiplied to get the S.P., if the profit is 10%?

Simplify : (x+y)3

Two lines intersect at a point and a ray is drawn from the point of intersection. The ray divides the angle between the lines into 1:2 ratio. One of the angles is given, find the value of 'x'.

Find average of 6.8 ,3.2, 5.7

Manu studies for 312 hours daily. He devotes 123 hours of his time to English and mathematics. How much time does he devote to other subjects? (Hint: Subtract the time spent on mathematics and English from the total time spent on studies)

Solve 3-11 3+11.

The News paper circulated in a town are as follows. Draw a pie chart.News paper No. of copies circulated (a) Prajavani 300 (b) Kannada Prabha 180 (c) Vijaya Karnataka 400 (d) Samyukta Karnataka 320

Which of the following graphs represent the solution of the inequation written below: 2x−5≤5x+4&lt;11, xϵR

Make your own magic triangle by placing from 1 to 6 in the given figure.Rule: Numbers on each side must add up to 10.

If 5 is added to three times the product of two numbers m and n, then the expression will be _______.

Types of MoviesPeopleSci-fi25Comedy15Action35Romance45The given table shows the types of movies preferred by different family members of a family. What would be the angular proportion of the people preferring to watch Action movies?

WHAT IS THE FORMULA TO FIND OUT ANY TERM FROM THE END OF AN A.P?ALSO HOW TO CALCULATE THE SUM OF n TERMS OF AN A.P FROM THE END OF THAT A.P?

Question 112(ii)Simplify37×2815÷145

811/4 × 93/2 × 27–4/3 is equal to _________.

Match the nets withappropriate solids: (a) (i) (b) (ii) (c) (iii) (d) (iv)

In the given figure, ABCD is a rhombus. If OB = 3 units, OC = 4 units and AE = 6.4 units. Find the length of BE.

38. How to find numerical value of vector?

Ram can run 3 times faster than Rahul. If Rahul's speed is 5 km/hr. Then speed of Ram is ___ km/hr.

Mark the correct alternative in the following question:The sum of a and b is multiplied by taking away 5 from their sum. The expression representing the statement is(a) (a + b)(a + b - 5) (b) (a + b)(5 - a - b) (c) (a + b)(5 - a + b) (d) (a + b)(5 + a - b)

If P(A) and P(not A) are complementary events and P(A) = 0.15, then P(not A) = ?

A circle of radius √7 cm is inscribed in a square. Find the area of the shaded region. (use π=227) cm2

The mixed fraction 547 can be expressed as ______ .

The side of a cube whose volume is 9261000 m3 is _______.

KF combines with HF to form KHF2 . The compound contains the species ?a.K+,F-,H+ b. K+,F- and HF c. K+ and \lbrack HF2\rbrack- d. \lbrack KHF\rbrack+ and F2

Which of the following triangles are isosceles as well as obtuse-angled triangles?

साँप का ध्यान बँटाने के लिए लेखक ने क्या-क्या युक्तियाँ अपनाईं?

A sum of ₹ 56000 gives ₹ 280 as interest in 2 years. Find the rate of interest. If the interest rate was 11%, then find the interest in two years. [4 MARKS]

What is the sum of the measures of the angles of a convex quadrilateral ? Will this property hold if the quadrilateral is not convex

Question 1 (i)In an isosceles triangle ABC, with AB = AC, the bisectors of ∠B and ∠C intersecteach other at O. Join A to O. Show that:OB = OC

Simplify: (a3−b3)÷(a−b)

A ladder on the platform of a fire brigade van can be elevated at an angle of 70° to the maximum. The length of the ladder can be extended upto 20 m. If the platform is 2m above the ground, find the maximum height from the ground upto which the ladder can reach. (sin 70° = 0.94)

The probability of an event is 89. What is the probability of the complement of this event?

5 m - n= 3m + 4n then find the values of the following expressions.(i) m2+ n2m2- n2(ii) 3m + 4n3m - 4n

Two angles add up to give 90o. Smaller angle is 12o more than half of the bigger angle. The bigger angle is

Which of the following graphs represent the solution of the inequation written below: 2x−5≤5x+4<11, xϵR