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For +ve integer n, n^(3)+2n is always di...

For +ve integer `n, n^(3)+2n` is always divisible by

A

3

B

7

C

5

D

6

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2016-MULTIPLE CHOICE QUESTIONS
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  2. If, (1)/(""^(5)C(r ))+(1)/(""^(6)C(r ))=(1)/(""^(4)C(r )), then the va...

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  3. For +ve integer n, n^(3)+2n is always divisible by

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  4. The coefficient of x^17in the expansion of(x-1)(x-2)(x-3)….(x-18) is

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  5. 1+""^(n)C(1)cos theta+""^(n)C(2)cos 2theta +…+""^(n)C(n) cos n theta e...

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  6. If x, y and z be greater than 1, then the value of |(1,log(x)y,log(x)z...

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  7. Let A is a 3xx3 matrix and B is its adjoint matrix. If |B|=64, then |A...

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  8. Let (("cos"(pi)/(4),-"sin"(pi)/(4)),("sin"(pi)/(4),"cos"(pi)/(4))) and...

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  9. Let R be a relation defined on the set Z of all integers and xRy when ...

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  10. If A={3^(n)-2n-1:n in N} and B={4(n-1):n in N}, then

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  11. If the function f : R to R is defined by f(x)=(x^(2)+1)^(35)AA x in R,...

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  12. Standard Deviation of n observations a(1), a(2), a(3),….a(n) is sigma....

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  13. Let A and B be two events such that P(A nn B)=(1)/(6),P(A uu B)=(31)/(...

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  14. The value of cos 15^(@)cos 7(1^(@))/(2)sin 7(1^(@))/(2) is

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  15. The smallest positive root of the equation tan x-x=0 lies in

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  16. If in a triangle ABC, AD, BE and CF are the altitudes and R is the cir...

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  17. The points (-a,-b),(a,b),(0,0) and (a^(2),ab), a ne 0, b ne 0 are alwa...

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  18. The line AB cuts off intercepts 2a from the axes. From any point. P on...

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  19. x+8y-22=0, 5x+2y-34=0, 2x-3y+13=0 are the three sides of a triangle. T...

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  20. The line through the points (a, b) and (-a, -b) passes through the poi...

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