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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.
| 5851. |
Limit tends to 0 e^x+e^-x-2/x^2 |
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| 5852. |
Find dy/dx, when y=(sinx+x²) /(cot 2x) |
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| 5853. |
Find the value of sin(1140degree) |
| Answer» Root3/2 | |
| 5854. |
What is log table and how to use it |
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| 5855. |
X2 =9 find x |
| Answer» X=9\\2 | |
| 5856. |
2cos^2x+3sinx=0 |
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| 5857. |
Sin2A+sin2A+sin2C=4sinAsinBsinC |
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| 5858. |
Evaluate cosπ\\7+cos2π\\7+ cos 3π\\7+cos4π\\7+cos5π\\7+cos6π\\7+cos7π\\7 |
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| 5859. |
Please explain the argument of a complex number. |
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| 5860. |
Exercise 9.2 ques no 3. |
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| 5861. |
Find the sum of odd integers from 1 to 2001 |
| Answer» 1002001 | |
| 5862. |
Prove that 2to the power n>n for all positive integersn |
| Answer» For n=1 it is true.Assume for n=k it is trueThen 2^k>kProve that 2^(k+1)>k+1LHS=2^k.2>2k=k+k>k+1 as k>1 | |
| 5863. |
Square of 111111111 quickly |
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| 5864. |
Square of 99999999 |
| Answer» 9.999999e15 | |
| 5865. |
Dam hai to iska jawab bataon X=√3+1√4+1√5+1√........find the value of X |
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| 5866. |
Solve limit x->2 3 rest to x + 3 rest to 3-x -12 / 3 rest to 3-x - 3 rest to x/2 |
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| 5867. |
If cosec x - cot x= p,then the value of cosec x is |
| Answer» 1+p^2/2p | |
| 5868. |
sinx+sin3x+sin5x=0 |
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| 5869. |
Sec^x.cosec^x=? |
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| 5870. |
Three numbers are in A.P . if the sum of these numbers be 27 and the product 648 . find the numbers |
| Answer» (a-d)+a+(a+d)=3a=27, a=9, (a-d) a (a+d)=(9-d) 9 (9+d)=648,(81-9d)(9+d)=648,729+81d-81d-9d2=648,729-648=9 d2, 81/9=d2, d2=9, d=3 .... now a=9, d=3,..required number. 6,9,12 | |
| 5871. |
Tan (a+b) |
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Answer» NO....It\'s (tan a +tan b)/(1-tan a. tan b) :-v Tan a +tan b/1+tan a.tan b |
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| 5872. |
10 - 10 + 6 - 1 by 10 - 6 + 1 equal to 1 + sin by Cos A |
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| 5873. |
Find the sum of the series up to N terms 1*3*7+2*6*11+3*9*15+........... |
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Answer» a=1d=2 TN =1+(n-1)2=1+2n-2=2n-1 Tn=a+(n-1)d |
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| 5874. |
(if x by 3 2 by 3 equal to 4 by 3 by 3 then find the value of x and y |
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| 5875. |
How many numbers less than 1000 can be made with the digits 0 ,5,3,7? |
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Answer» Correct answer is 21 if repeition is not allowed Answer is 21....repeuti 24 if repitetion of digit is not allowed 64 if rep. is allowed 64 6 |
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| 5876. |
X is wife of y where x,y are any two persons in a lacality. |
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| 5877. |
Is there any easier way to solve binomial theorems |
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| 5878. |
Shortcut to find orthocentre of all three given vertices of any triangle? Any? |
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| 5879. |
If Cosec0-sin0=a*a*a, sec0-cos0=b*b*b, then prove that a*a*b*b[(a*a)+(b*b)] =1 |
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| 5880. |
223÷91×919×9×19×91÷91×19÷01=? |
| Answer» 7316926.5165 | |
| 5881. |
Integration of secx |
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| 5882. |
If A+B+C=180°,prove thatsin(B+2C)+sin(C+2A)+sin(A+2B)=4sin(B-C)/2sin(C-A)/2sin(A-B)/2 |
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| 5883. |
4cos12°cos48°cos72°=1-sin18° |
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| 5884. |
How we solve veen diagram |
| Answer» By carefully reading the question and then draw the figure according to it... It is very simple | |
| 5885. |
1+2w+3w^/2+3w+w^+2+3w+w^/3+w+2w^ |
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| 5886. |
Sum up the following series upto n terms..1/1.3 + 1/3.5 +1/3.7+....... |
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| 5887. |
0! = 1 but expansion of 0! = 0 so,,, why 0! =1 |
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Answer» only zero is the most complex one We know npr=n!/(n-r)!, when n=r, npn=n!/(n-n)!, n!=n!/0!";0!=n!/n!"; 0!=1 |
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| 5888. |
Sum up the following series upto n terms ...1/1.3 +1/3.5 +1/5.7 +......... |
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| 5889. |
What\'s the 0! |
| Answer» 0! = 1 | |
| 5890. |
4×4×5÷6+8×8×4? |
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Answer» 269.44 (4×4)×(5÷6)+(8×8×4). (using DMAS)16×.8333+25616×.84+25613.44+256269.44 |
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| 5891. |
{Mobile,TV, AC, Fan etc} is it a set? If it is a set how to describe it with proportion? |
| Answer» No it\'s not a set. | |
| 5892. |
"Collection of winged horses " is it a set ? |
| Answer» Yes it\'s a set . | |
| 5893. |
5a+5b+2ab=92;5b+5c+2bc=136;5c+5a+2ca=244;find:7a+8b+9c |
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| 5894. |
find the sum of all two digit numbers which when divided by 4 yields 1 as deminator |
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| 5895. |
Th bol the third question |
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| 5896. |
miscellaneous exercise on chapter 1 question no.14 and 15 |
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| 5897. |
miscellaneous exercise on chapter 1 sets |
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| 5898. |
Sin-1485° |
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Answer» Sin-1485°-1440°=Sin45°=1/√2 because 360°×4=1440° (√3-1)/2√2 |
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| 5899. |
Find x and y if {([(1+i)x-2i]/3+i)+([(2-3i)y+i]/3-i)}=i |
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| 5900. |
A wheel |
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