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79601.

\left. \begin array l l l l \text (a) 1.4 0 & \text (b) 2.10 & \text (c) 70 & \text (d) 140 \end array \right.

Answer»

વિસ્તાર = π આર ^ 2આર ^ 2 = 616 / π હવે આર ^ 2 = 196.17r= 14 approximately

79602.

). A train travelling at a uniform speed for 360 km would have taken48 minutes less to travel the same distance if its speed were 5 km/hrmore. Find the original speed of the train.

Answer»

Let original speed of train = x km/h

we know, time = distance/speed

first case time taken by train = 360/x hour

second case

time taken by train its speed increase 5 km/h = 360/( x + 5)

time taken by train in first - time taken by train in 2nd case = 48 min = 48/60 hour 360/x - 360/(x +5) = 48/60 = 4/5 360{ 1/x - 1/(x +5) } = 4/5 360 ×5/4 { 5/(x² +5x )} =1450 x 5 = x² + 5x x² +5x -2250 = 0x = { -5±√(25+9000) }/2 =(-5 ±√(9025) )/2 =(-5 ± 95)/2 = -50 , 45 but x ≠ -50 because speed doesn't negative so, x = 45 km/h hence, original speed of train = 45 km/h

79603.

ORA train travelling at a uniform speed for 360 km would have taken 48 minutes less to travel the same distance if ispeed were 5 km/hour more. Find the original speed of the train.

Answer»

Let original speed of train = x km/h

we know, time = distance/speed

first case

time taken by train = 360/x hour

second case

time taken by train its speed increase 5 km/h = 360/( x + 5)

time taken by train in first - time taken by train in 2nd case = 48 min = 48/60 hour

360/x - 360/(x +5) = 48/60 = 4/5 360{ 1/x - 1/(x +5) } = 4/5

360 ×5/4 { 5/(x² +5x )} =1450 x 5 = x² + 5x x² +5x -2250 = 0x = { -5±√(25+9000) }/2 =(-5 ±√(9025) )/2 =(-5 ± 95)/2 = -50 , 45 but x ≠ -50 because speed doesn't negative

so, x = 45 km/h hence, original speed of train = 45 km/h

79604.

A. Tick () the correct answers.1. Which of the following is not a part of yourbody?(b) legyour hands are tied behind, you will not be able to(b) speakIf your legs are tied to a chair, you will not be able to(b) eat(c) pencil() hold books(c) wallk(c) three(a) hand2. If(a) run3.(a) speak(a) one(a) two4. We haveears.o) one two three5. We havehands.(b) one(c) three

Answer»

1 - pencil2-hold books3- walk4-two5-two

1-(c) 2-(c)3-(c)4-(b)5-(a)

1 pencil , 2 run ,3 walk 4,5 two

1.pencil2.hold books3.walk4.two5.two

1-c 2-c 3-c 4-b 5-a all are corect

1(c) 2( c) 3(c) 4(b )5(b)

1. pencil2. hold books3. walk4. two5. two

pencilhold books walktwotwo

1-pencil2-hold books3-walk4-two5-two

1.pencil/2.run/3.walk/4.two/5.two

1=pencil2=hold books3=walk4=two5=two

1=pencil2=hold books3 = walk4=two5=two

1 ka e 2ka b 3ka a 4ka b 5ka c

1.C Pencil2.C hold Books3.C walk4.B Two5.A Two

1 -c2-c3-c4-b5-a

we have two earswe have two hand

1ka c2 ka c3 ka c4 ka b5 ka a

1 - Pencil2 - Hold Books3 - Walk4 - Two5 - Two

1-pencil 2-hold books 3-walk4-two5-two.

1 pencil 2 hold books 3 walk 4 two 5 two

1 pencil ,2 hold books ,3 walk ,4 two, 5 two

1pencil2 hold books3 walk4 two5one

1.(c).pencil2.(c).hold book s3.(c).walk4.(b).two5.(a).two

1-pencil 2-hold books3-walk4-two5-two

1- pencil 2- hold books 3-walk 4-two 5-two.

1-leg, 2-speak, 3-walk, 4-three 5-two

1 : pencil2 : hold books3 : walk4 : ear5 : two

1=pencil2-hold books3-walk4-two5-two

1pencil 2hold books3walk4Two5Two

1c ,2c, 3c ,4b,5b it is right answer

1- c. 2- a. 3-b. 4-b. 5-a

option c pencil kyoki pencil body ka part nhi hota hai

1=pencil2=hold books3=walk4=two

1-pencil2-hold books3- walk4- two5- two

1.pencil2.hold book3.walk4.two5.two

pencil. hold books. two. two.

1- (c)pencil2- (c)hold books3- (c)walk4- (b)two5- (a)two

1-c ,2-c, 3-c, 4-b, 5-a

1. pencil2.hold books3.walk.4two5.two

1=c2=b3=b4=b5=ayahi right answer h

1.(c)2.(c)3.(c)4.(b)5.(as)

1-(c) pencil 2-(c) hold books3-(c) walk4-(b) two 5-(a) two

which of the following is not a part if your body? >pencile

1. (c) pencil 2. (c) hold books 3. (c) walk 4. (b) two 5. ( b) two

1.(c) pencil2.(c) hold book3.(c) walk4.(b) two5.(a) two

1- pencil , 2- hold books ,3- walk, 4- two, 5- two

1 - Pencil2 - hold books3 - walk4 - two5 - two

1-(c)2-(c)3-(c)4-(b)5-(a)

1 Pencil2 Hold books 3 Walk4 Two5 Two

1 (c) 2 (c) 3 (c) 4(b) 5(a)

Pencil Hold books Walk Two Two

1-(c)2-(c) 3-(c) 4-(b) 5-(a)

1.(c2.(c3.(c4.(b5.(a

1.pencil2.holdbook3.walk4.two5.two

1.(c) pencil 2.(c) hold books 3(c) walk4.(b) two5.(a) two

1=pencil2=hold books3=walk4=two5=two

1. C2. C3. C4. B5. A

pencile hold bookswalktwotwo

pencilhold bookwalktwotwo

1pencil2 hold book3 WALK4 TWO5 TWO

1.(c)- pencil 2.

1-c2-c3-c4-b5-a.Thats it all

1 pencil2 hold book3 walk4 two5 two

1-pencil2- hold books 3- walk4-two5- two

1- pencil 2-hold book 3-walk 4-two 5-two

a pencil

b hold book

c walk

d two

e two

1 (c)2 (c)3 (c)4 (b)5 (a)

1-pencil2-run3-walk4- two5-two

1__ (c)2__(a)3__(c)4___(b)5____(a)

(1)=c(2)=c(3)=c(4)=b(5)=a

79605.

How many 4 letter words can be formedusing letters in the word MADHURI if(a) letters can be repeated (b) letters cannotbe repeated.

Answer»

Madhu,Maria,Ria,Rima

b) ..Mahi/ Dhur./ dahi/ Hari

a) Madhub) Rimac) Harid)Mahi

Madhu,Maria,ria,Rima is the right answer of following questions

letters cannot be repeated

a)Madhub)Rimac)Harid)Mahi

Madhu MariaRiaRimaHari

79606.

IV.Consider the following pattern11 × 13 = 143 = 122-110 x 12 120 112-113x15 = 142-129 x 31 -24×26="31 x 33 =49 x 51-

Answer»
79607.

9.Use the sign of >, < or = in the box to make the statements true.(b) (-3)+7_(19)(c) 23-41-11(d) 394 (-24)-(15)15-8+ (-9)23-41-1136 + (-52) _ (-36)しー」(d) 39+ 24)-(15) 36+ (-52)-(-36(e) -231 +79+51 399+ 159 + 81Г-

Answer»

-12 = -12 -15 < -2 -7 > -29 0 < 20 -101 > -159

79608.

2 &amp; z ”5c0s” —+4sec’ — —tan’ ~(0. मॉननिर्णमि कब: 3 . 0 %«तक esin’ 30° +cos %

Answer»
79609.

\left. \begin{array} { l } { \operatorname { cot } ^ { 2 } 30 ^ { \circ } - 2 \operatorname { cos } ^ { 2 } 60 ^ { \circ } - \frac { 3 } { 4 } \operatorname { sec } ^ { 2 } 45 ^ { \circ } - 4 \operatorname { sec } ^ { 2 } 30 ^ { \circ } } \\ { ( \operatorname { cos } 0 ^ { \circ } + \operatorname { sin } 45 ^ { \circ } + \operatorname { sin } 30 ^ { \circ } ) ( \operatorname { sin } 90 ^ { \circ } - \operatorname { cos } 45 ^ { \circ } + \operatorname { cos } 60 ^ { \circ } ) } \end{array} \right.

Answer»
79610.

(d) -1(b) UNO 22) If a = 5.b = , the value of the expression 16a+ 8b - 10 is:lao(b) -13) If a + 2h-5 and520) 27(d) -2

Answer»

if a

16*1/2+8*1/4-10=8+2-10=10-10=0

(16*1/2)+(8*1/4)-10=(8+2)-10=10-10=0

79611.

Ex (2) A train travels 300 km with uniform speed. The speed of the train is increasedby 5 km/hr, it takes 48 minutes less to cover the same distance. Find the initialspeed of the train.

Answer»

X=45km/hr ...as speed cannot be negative.

79612.

2x48a) A man travels 370km partly by train and partly by car. If he covers 250km by train andthe rest by car, it takes him 4hours. But if he travels 130km by train and the rest bycar, it takes 18 minutes more, find the speed of the train than that of the car.

Answer»
79613.

6. A fair die is tossed once. If the random variable isthe number of "getting an even number” (denoted by X), findthe probability distribution of 'X'. Sketch the graph.

Answer»
79614.

Each of five questions on a multiple choicexamination has four choices, only one ofthe is correct. A student is attempting toguess the answers. The random variable xis the number of questions answeredcorrectly.(a) What is the probability that thestudent will get exactly threeanswers correct?What is the probability that thestudent will get atmost threeanswers correct?What is the probability that thestudent will get at least one correctanswer?

Answer»

actually I m reach at this topic. sorry

79615.

16. Letx be a random variable which assumes values2, g and xs such thatFind the probability distribution ofx.

Answer»
79616.

G. Arrange in ascending order.(a) 49 51 23 45 11a

Answer»

ascending order = 11 , 23 , 45 , 49 , 51

11, 23, 45 , 49 , 51

11 , 23 , 45 , 49 , 51

11 , 23 , 45 ,49 ,51

79617.

\left. \begin{array} { l } { 3 y + 5 y - 10 } \\ { m ^ { 2 } - 23 m + 12 } \\ { 2 x ^ { 2 } + x - 45 } \end{array} \right.

Answer»
79618.

Prove that(O sin2 30-2 cos3 03 tanf 453sin 30- sin 90+23tan30 x tan602(ill) (sin 90-sin 45+sin 30") (tan 45+ cos 45*-sin 45 +sin 30 (tan 45 +cos 45cos 609)74.

Answer»
79619.

- TA20°, evaluate :3 sin3A +2cos (2A+5°)2cos3A-sin (2A-100)

Answer»

3sin60+2cos45/2cos60-sin30nowsin60=√3/2cos45=1/√2cos60=1/2sin30=1/2hence put in the values3√6+4/2√2*2=3√3+2√2

thank u

79620.

( (1 + tan^2A)/(1+ cot^2 A)) = ( ( 1-tan A) / ( 1 - cot A ) ) ^2 = tan^2 A

Answer»
79621.

21V(v)(iv)Find the measure of the third angle of triangles whose two angles are given below(1) 38°, 102 (ii) 116°, 30° (iii) 40", 80°In a right-angled triangle, one acute angle is 30°. Find the other acute angle.

Answer»

(I)38°,102°Let the other angle be xsum of angle of a ∆le is 180°38°+102°+x=180°x=180°-140°=40°

(ii) 116°,30°Let the other angle be xsum of angle of a ∆le is 180°116°+30°+x=180°x=180°-146°=34°

(III)40°,80°

Let the other angle be xsum of angle of a ∆le is 180°40°+80°+x=180°x=180°-120°=60°

79622.

angle.7) The supplement of an acute angle is

Answer»
79623.

(a) 22 × 51 × 71(c) 71 × 52 × 23

Answer»

a)4×5×7=140c)7×25×8=1400

79624.

variance of a random variable x is 23, then what is the variance of 2x+) 56) 46(b) 33(d) 92

Answer»
79625.

lx25, Evaluate lin/(x) , where f(x)=x#0x=00,

Answer»
79626.

If tan 2A -cot (A - 18°), where 2A is an acute angle, find the value of A.

Answer»
79627.

If tan 2Acot (A - 18°), where 2A is an acute angle, find the value of A.

Answer»
79628.

Which of the following number has terminating decimal expansiona)37211789b)c)4523 56492 x 3

Answer»

tnx bro

wait i will send one question

send me answer

give me ur watsapp num

give me ur watsapp num

79629.

If A is acute and cos A =. then find sin 2A, cos 3A and tan 2A.

Answer»
79630.

(ग) यदि tan 2A = cot (A - 189) है, जहाँ2A न्यून कोण है,A का मान ज्ञात कीजिए।

Answer»

tan2A=cot(A-18)cot(90-2A)=cot(A-18)90-A= 2A-1890+18=A+2A108/3=A36°=AA= 36°

i solved your question your answer is A=36 please like and choose best

79631.

Q.5) If tan 2A cot(A-180), where 2A is an angle,find thevalue of A

Answer»
79632.

ORIf tan 2A = cot (A-18"), where 2A is an acute angle, find the value of A.

Answer»
79633.

1. IfA and B are two sets such that A has 12 elements, B has17 elements and AUB has 21 elements, then number ofelements in AnB are(a) 6(c) 8(b) 4(d) of these

Answer»
79634.

32*neq - 7 %2B 8 %2B 7 - 4

Answer»

LHS = 8 + (-7) - (-4) = 8 - 7 + 4 = 1 + 4 = 5

RHS = 8 + 7 - 4 = 15 - 4 = 11

Therefore,LHS =/= RHS

79635.

-564*neq %2B 4*x - 16 - 16 %2B 12

Answer»

19 is not equal to 43 is the correct answer of the given question

79636.

\left(x^{2}+\frac{3}{x}\right)^{4}, x \neq 0

Answer»
79637.

(t*(0*neq))*((25*t**(-4))/((t**(-8)*(10*5**(-3)))))

Answer»
79638.

Find the mean, median andmode of thefollowing data:(1) 12 15 17 16 11 12 18 12 10(2) 56 23 71 82 56 33 71 90 37 70(3) 7 8 6 6 8 7 8 8 8 8

Answer»
79639.

QB, T pIf PQ6. In the given figure, PA 1 AB, QB L AB and PAintersects AB at M, show that M is the mid-point of both ARand PQFound

Answer»

∠AMP=∠QMB=xAP=QBtan(∠AMP)=tan (∠QMB)AP/AM=QB/BM1/AM=1/BMBM=AM

Hence M is the middle point of AB

79640.

०084 17 डॉ 4" 1+sind cos A=2secd

Answer»
79641.

Rind the simple interest and the amount when:1, Principal- 6400, rate 6% pa. and time-2 years.

Answer»

SI = Pnr/100=(6400*6*2)/100= Rs.768

find amount also

79642.

जल लिन अप: हक1, 1+sind _1+sin 4 cos 20w :

Answer»
79643.

in A— A cos A28. Prove that Pt S sind—1+cosd 1 —sin 4

Answer»
79644.

sind + cosaCOS - sina= tan 2a + sec 2a

Answer»
79645.

x : \frac { x - 3 } { x - 4 } + \frac { x - 5 } { x - 6 } = \frac { 10 } { 6 } ; x \neq 4,6

Answer»
79646.

Find the standard deviation for the following datax 38 13 18 23f 7101510 6

Answer»
79647.

LIILFind the amount and compound interest for :(a) Principal = * 5000, Rate = 6% pa, Time = 3 years(b) Principal = * 8000, Rate = 8% pa, Time = 2 years(c) Principal = 3 12000, Rate = 6-% pa, Time = 4 years

Answer»

chop so Dyno gump secco Oct ICSI gunny sergeant major of the best answer

79648.

लीsind [-- (296

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79649.

COSsind E4

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79650.

(a) A stamp or an envelope.(b) A blackboard or an art sheet.

Answer»

Stomp is a percussion group, originating in Brighton, United Kingdom that uses the body and ordinary objects to create a physical theatre performance using rhythms, acrobatics and pantomime

Chalkboard art or chalk art is the use of chalk on a blackboard as a visual art. It is similar to art using pastels and related to sidewalk art that often uses chalk. Chalkboard art is often used in restaurants, shops or walls.