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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 72901. |
\frac { 3 x + 4 } { 2 x - 4 } = \frac { 3 } { 4 } |
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| 72902. |
namberert 2.35 into |
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Answer» 2.37 bar Let x = 2.373737.... ....(1) multiply by 100 both sides 100x = 237.373737...... ....(2) eq (2) - eq (1) 99x = 235 x = 235/99 |
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| 72903. |
Chad in Roman NamberCb) 8a) 67 |
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Answer» 67 - LXVII 98 - XCVIII |
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| 72904. |
1. Write the total namber of periods in modern periodictable |
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Answer» There are 7 periods in a periodic table |
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| 72905. |
k Pradeep gave away 8 sweets to his friend. This numberwas one-fith of the number of sweets that he had wihim at first. How many sweets did Pradeep have wihim at first? |
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| 72906. |
if x-1/x=5 then find (x^2+1/x^2) |
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| 72907. |
400PM Tuesudha knows tailoring. She bought 10 metre long cloth.needs 4 curtains to be stitched. Each curtain's height is 160Would she be able to stitch all curtains? If some cloth isbehind, how much would it be and could you please suggestto stitch something else?Work Sheetvertinto centimetre.m=cm. |
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Answer» 4 curtains to be stiched each height is 160 cm ie 160 *4 =64o cm is total cloth needed to stich all the curtains available cloth is 10 m ie 1000cm cloth remaining is 1000-640 =360cm i.e 3.6 m Extra cloth can be used to stich holders for curtain |
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| 72908. |
I have Rs:50/-Spend Balance20 3015155051Where did theRs 1/- came from?Challenge for everyoneSolve this one!!!! |
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Answer» Thats tricky question but why are you adding like this? The answer is donkey by adding the balance 30+15+6+0=51.spending amount 50 and have balance of 51 .your 1 rupees is left get toffee of it can anyone solve it and tell us? |
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| 72909. |
if x-1/x=5 find x^3-1/x^3 |
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| 72910. |
A student rank 19th in the class of 50 .What is his rank from the last |
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Answer» rank from last will be50-19=31 |
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| 72911. |
Quadratic polynomial 2x2-3x + 1 has zeroes as α and β. Now form a quadratic polynomial whosezeroes are 3α and 3β |
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| 72912. |
\frac 5 3 ( u %2B 3 v ) %2B \frac 3 4 ( 3 u - 5 v ) |
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Answer» 5/3 (u+3v) + 3/4 (3u-5v)5u/3 +5v+9u/4-15v/447u/12+5v/41/4 (47u/3+5v) |
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| 72913. |
120 ^ { \circ } \quad ( b ) 180 ^ { \circ } \quad ( c ) 360 ^ { \circ } \quad ( d ) 720 |
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Answer» Sum of interior angles of any polygon is (n-2)π.where n is the sides of polygon. In quadrilateral there are 4 sides, therefore the sum of angles = (4-2)π = 2π =2(180°)=360° |
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| 72914. |
6.The point (2,-1) lies in--a).1quadb) Il quadquadrantc) llI quad d) IV quad |
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Answer» option D is the answer |
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| 72915. |
9. If α, β are zeroes of the polynomial x2-2x-15, then form a quadratic polynomial whosezeroes are (20) and (2B) |
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| 72916. |
If α and β are the zeroes of the polynomial 21x2-x-2, find a quadratic polynomialwhose zeroes are 2α and 2β |
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Answer» please like my answer if you find it useful |
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| 72917. |
ify J_ हक= sin(x\/—\l —X + Find1) 2- |
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| 72918. |
Find a namber WiIfx, y, s are in proportion, find x ify is 6 and %12 |
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Answer» x/y=y/zy²=xz(6)²=(x)(12)36=x(12)x=36/12=3 |
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| 72919. |
Q.19. If a and Bare zeroes of p(x) = x2 - 2x + 3, find a polynomial whose zeroes are |
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Answer» x^2-2x+3=x^2-3x+x+3=x(x-3)+1(x-3)=( x-3)(x+1); x=3, -1; 3+1/3-1=4/2=2, -1+1/-1-1=0/2=0 xbgzvxxvxgxh 6266 hshsbz |
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| 72920. |
10x=20, find X? |
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Answer» X=2 is the right answer 2 is the right answer 2 is the right answer 2 is the right answer 2 is the correct answer of the given question 2 is the right answer 3 is the right answer 2 is the right answer 2 is the right answer 2 is the right answer 2 is the right answer 2 is the right answer 2 is the right answer If,10x=20,Then,x=2. 2 is the right answer |
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| 72921. |
4/9 =20/?Find denominator |
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| 72922. |
\lim _{u \rightarrow-3}\left[\frac{1}{u+3}+\frac{6}{u^{2}-9}\right] |
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| 72923. |
Q.I Answer the following, Find the cube Foot of 466562. Define prim㎝umbers, |
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Answer» 1.Cube root of 46656 is 362.The numbers which does not have more than one factor is known as prime numbers. |
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| 72924. |
12*u^2 - 7*u %2B 1 |
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Answer» 12 x²-7x+1=12x²-3x-4x+1=3x(4x-1)-1(4x-1)=(3x-1)(4x-1) |
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| 72925. |
verify - 8×[3+(•2)=8×3+8×(-2) |
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Answer» 8×[3+(-2)] = 8×[3-2] = 8*1 = 8✓ 8×3+8×(-2)= 24-16 = 8 ✓ |
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| 72926. |
83+[{(8×4)-8×3}+8×2] |
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Answer» 107 is right answer... 107 is the right answer |
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| 72927. |
olved Examples:Ex. 1: Find A.M., G.M., and H.M. of theumbers5 and 45. |
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| 72928. |
he difference of two numbers is 5 and the difference of their reciprocals is o. Find theumbers.OR |
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| 72929. |
FindFind $ \frac{d y}{d x} $ if $ y $ log $ x=x \log y $ |
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Answer» y log x = x log yDifferentiating both sides with respect to x, (dy/dx) log x + y/x = (x/y)*(dy/dx) + log y=> (dy/dx) {log x - (x/y)} = log y - y/x=> dy/dx = { log y - y/x} / { log x - (x/y)} |
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| 72930. |
restiOn umbers I to b cary I ark encnWrite the polynomial whose zeroes are 2 + 3 and 2- 3 |
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| 72931. |
Insert x arithmetic means between x2 and 1 |
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Answer» thank u |
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| 72932. |
2. Insert four arithmetic means between 4 and 29 |
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| 72933. |
देर 2-5, . न991 6 906घ६ा SL0 [900z 4omysaupgnyg ‘guy]24+9v -0S TRमा मच Oरात्रि. |
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| 72934. |
8. If 40 students are present in a class and thepercentage of absentees is 20%, find the strengthof the class. |
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| 72935. |
The radius of a wheel that makes 113revolutions to go 2 km 26 decameter is(take π=22/7)(a) 4 4/13 m(b) 6 4/11 m(c) 12 4/11. m (d) 3 2/11m |
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| 72936. |
ि Hu Lwn तप कि e Po\é,we Jfl_jdivisedle fibé ' ‘ न |
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Answer» The first 40 positive integers divisible by 6 are 6,12,18,....... upto40 terms the given series is in arthimetic progression with first term a=6 and common difference d=6 sum of n terms of an A.p is n/2×{2a+(n-1)d} →required sum = 40/2×{2(6)+(39)6} =20{12+234} =20×246 =4920 no.s divisible by 6 are 6,12,18.......a=6d=6n=40Sn=(n/2)(2a+(n-1)d)Sn=(40/2)(2*6+(40-1)*6)Sn=20(12+39*6)Sn=20(12+234)Sn=20(246)Sn=4920 |
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| 72937. |
tesれ00.norm asin emThe bid tlies awayat a constant2/seconds Hu |
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| 72938. |
A train running at the speed of 60 km/hr crosses apole in 9 seconds. What is the length of the train?1.A. 120 metresB. 180 metresС. 324 metresD. 150 metres |
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| 72939. |
(iii)Find the general term of the A.P given by x + b, x + 31, x + 5b,⌠|
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Answer» First term = x + bDifference = 2bGeneral term = x+b +(n-1)*2b. |
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| 72940. |
10. () Show that the progression 7, 2, -3,-8,... is an A.P. Find its general term. |
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Answer» 7,2,-3,-8........ a2- a1= 2 - 7 = -5a3- a2= -3 - 2 = -5a4- a3= -8 - (-3) = -5 since the common difference (d) between all terms are same -5 .therefore this is in AP. |
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| 72941. |
The A.P. in which 4th term is -15 and 9th term is -30. Find the sum of the first 10umbers.If nth term of both the |
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| 72942. |
3. If F is the arithmetic mean of n observations , xxthen find thearithmetic mean of x, + a, x, + a, ,x, + a. |
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| 72943. |
Show that, the sum of n arithmetic means between twoumbers is equal to n times the arithmetic mean betweenthose two numbers. |
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Answer» Let n a.m, between a,b are a1,a2,a3,............ana,a1,a2,a3,.............an,bsum of n a.m.Sn = n[2a1 + (n-1)d]/2 ----------(1)a.m. of a,b is (a+b)/2b = a+(n+1)da.m. = [2a+(n+1)d]/2 -------------(2)a1 = a+d put in (1)Sn = n[2a + 2d + (n-1)d]/2 = n[2a+(n+1)d]/2 ------------(3)from equation (2) & (3)Sn = n*a.m.where d = common difference of a.p. |
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| 72944. |
6. A contractor undertakes to built awalls in 50 days. He employs 50peoples for the same. However after25 days he finds that only 40% of thework is complete. How many moreman need to be employed to completethe work in time?(a) 25(b) 30(c) 35(d) 20 |
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Answer» the correct answer is b |
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| 72945. |
A train 350 metres long crosses an electric pole in 28 seconds. Find the speed ofthe train in km/hr. |
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Answer» Speed= Distance / time Given: Distance= 350mTime= 28 secSpeed= 350/28= 25/2 m/sec25/2*18/5= 5*9 km/hr= 45 km/hr given d=350mt=28sspeed =distance/time 350/28=25/225/2×18/5=5×9=45 ans |
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| 72946. |
EXERCISE 231. The number of students who absented from the class during a week are given below:DayMonday Tuesday Wednesday Thursday FridaNo. of absentees64228Take the scaleR= 2 absentees. |
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| 72947. |
huSimplifythefollowing |
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Answer» -5/13-9/25-125-117/325-242/325 is the answer |
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| 72948. |
Distance R(8,9) S (1,1) |
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Answer» Thank you |
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| 72949. |
3.) If O is the centre of a circle of radius r and AB is a chord of the circle at a distance r/2from O, then ZBAO |
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| 72950. |
A train 350 metres long crosses an electric pole in 28 seconds. Find the speed of6.the train in km/hr. |
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Answer» Speed =distance /time;Speed =350/28;=12.5 m/sec;Now in km/ hr =12.5*3600/1000*10;45 km per hour |
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