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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.
| 6701. |
The iota power of iota like thati^i |
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| 6702. |
2np3 |
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| 6703. |
Using PMI ,prove that (2*7^1+3*5^1-5)is divisible by 24for all n belongs to N. |
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| 6704. |
Prove that if nCp=nCq => either p=q or p+q=n |
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| 6705. |
cos²x + cos²(x+pie/3) + cos²(x-pie/3) |
| Answer» 3/2 | |
| 6706. |
What is cube root of unity |
| Answer» 1,w,w2are cube root of unity in this 1+w+w2\xa0=1w3\xa0=1\xa0 | |
| 6707. |
Cos81-cos9/sin81-sin9=tan54 |
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| 6708. |
Sin(B-C)÷sin(B+C)=B2-C2 |
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| 6709. |
Sin(B-C)sin(B+C) |
| Answer» 8cosb sinc | |
| 6710. |
How many 4 letter words we can make from word HARDWORK |
| Answer» 8!\\2! | |
| 6711. |
log10 |
| Answer» 1 | |
| 6712. |
Permutation and combination |
| Answer» premutation means arranging of the object and combination means selection of the object . | |
| 6713. |
Use binomial theorem to find (0.99)of power4 |
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| 6714. |
Factorial 5 |
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Answer» 120 Actually...it is 5!So the answer is 5*4*3*2*1(*=multiply) |
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| 6715. |
Sin 2A _ sin 2B +sin 2c |
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| 6716. |
2-3upon 2+5 |
| Answer» -0.142 | |
| 6717. |
What is the graph for f(x)=x! |
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| 6718. |
What is componento and dividento |
| Answer» C+D/C-D | |
| 6719. |
2+6= |
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Answer» 8 i. e., 8 2(6)or2.6 |
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| 6720. |
Explain using bionomial therom(1+x/2-2/x)power=4 |
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| 6721. |
Plese give last year first term question paper |
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| 6722. |
If nCr-1=36,nCr=84 and nCr+1=126 then find nC2 . |
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| 6723. |
How to find value of sin15 |
| Answer» Converted into sin(45-30) and put formula of sin(a-b) | |
| 6724. |
Cos x/1-sinx = tan(Π/4+Π/2 |
| Answer» Solving LHS cosx/1-sinx=cosx/1-sinx multiplied by 1+sinx we get (cosx)(1+sinx)/1-sin^2x=cosx (1+sinx)/cos^2x=1+sinx/cosx=1/cosx+sinx/cosx=secx+tanx on RHS solving tan (pi/4+pi/2)=1 LHS is not equal to RHS | |
| 6725. |
Relation R,A to B =6 then no. of relation from A to B=64 |
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| 6726. |
Tan20°tan40°tan60°tan80°=3 |
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| 6727. |
How can we come to know that whether we will have to use permutation or combination? |
| Answer» Permutation is used when there is arrangements Combination is used when there is selection | |
| 6728. |
A U (A U B) = A |
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| 6729. |
If a parabolic reflector is 20cm in diameter and 5 cm deep,find the focus |
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| 6730. |
Why do we study maths |
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Answer» for parctise and fresh the mind For knowledge |
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| 6731. |
Find the sum to n terms 13+33+53........... |
| Answer» 3n+10n^2 | |
| 6732. |
What will be the 51th word in ex 22 ncert |
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| 6733. |
The number of real roots of the equation (x2 + |
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| 6734. |
Find no. of terms in (1+x)101(1+x2-x)100. {101,100 & 2 are powers} |
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| 6735. |
Definitation of sets |
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Answer» A well defined collection of an object is known as set. A well defined collection of objects |
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| 6736. |
(k+1)(4k, |
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| 6737. |
Answers should be given for all the subjects |
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| 6738. |
Why 1+1=2? |
| Answer» Because of addition | |
| 6739. |
there are 2 birds on the tree one more bird come .what is the no of birds |
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| 6740. |
Why a polygon can\'t have 16 sides? |
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| 6741. |
what is pi why the value of pi is 22/7 why the area of circle is pi *r*r |
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Answer» kese bhai The ratio of circumference and the diameter of a given circle is a constant and known as pi |
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| 6742. |
Give all trigonometry formulas |
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| 6743. |
Prove that (1+cos pie÷8)(1+cos 3pie÷8)(1+cos 5pie÷8)(1+cos 7pie÷8) =1÷8 |
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| 6744. |
Prove that (A_B) union (B_A)=(A union B)_(A intersection B) |
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Answer» I don\'t know I don\'t know |
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| 6745. |
Rank of MOTHER |
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| 6746. |
Tan(3x) |
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| 6747. |
If we make 4 Revolution and one second the angular velocity in radians per second as |
| Answer» 1 sec = 360 revolutionsSo 4 revolution = 360×4×pie/180 radians= 8 pie radian | |
| 6748. |
Identify function,constant function,polynomial function |
| Answer» Identity function:A function f:R to R defined by f(x) = x , where x belongs to R, is identity function.Domain and range = RConstant function:A function f:R to R defined by f(x) = C where x belongs to R and C is constant, is constant function.Domain = RRange = C | |
| 6749. |
tan 15 + cot 15 = 4. Prove it |
| Answer» Tan15°=root (2-root3)/root (2+root3) and cot15° is reciprocal of tan | |
| 6750. |
f(x)=√2-2x-x |
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