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The set A has 4 element and the set B ha...

The set A has 4 element and the set B has 5 elements then the number of injective mappings that can be deifned from A to B is

A

144

B

72

C

60

D

120

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The correct Answer is:
D
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SUNSTAR PUBLICATION-K-CET-MATHEMATICS-2016-MULTIPLE CHOICE QUESTIONS
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  2. Let f: R rarrR be defined by f(x)=2x+6 which is bijective mapping then...

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  3. Let ** be a binary defined on R by a**b=(a+b)/(4)AAa,binR then the ope...

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  4. The value of sin^(-1)(cos""(53pi)/(5)) is

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  5. If 3 "tan^(-1)x+cot^(-1)x-=pi then x equal to

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  6. tan^(-1)((x)/(y))-tan^(-1)((x-y)/(x+y)) is

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  7. If x, y, z are all different and not equal to zero and |{:(1+x,,1,,...

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  8. If A is any aquare matrix of order 3xx3 then |3A| is equal to

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  9. If y = e^(sin^(-1)(t^(2)-1)) & x = e^(sec-1((1)/(t^(2-1))) then (dy)/(...

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  10. If A = 1/pi [(sin^(-1)(xpi),tan^(-1)(x/pi)),(sin^(-1)(x/pi),cot^(-1)(p...

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  11. If x^(y) = e^(x-y) then (dy)/(dx) is equal to

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  12. If A is matrix of order m xx n and B is a matrix such that AB' and B'A...

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  13. Evaluate int(e^(x)(1+x))/(cos^(2)(xe^(x)))dx

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  14. IF x yz are not equal to ne 0, ne 1 the value of |{:(logx,,logy,,logz)...

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  15. The function f(x)= [x], where [x] denotes greatest integer function is...

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  16. The value of int(e^(x)((1+x^(2))tan^(-1)x+1))/(x^(2)+1)dx is equal to

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  17. If 2veca*vecb = |veca| * |vecb| then the angle between veca & vecb is

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  18. If x^(m)y^(n)=(x+y)^(m+n), then (dy)/(dx)=

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  19. The general solution of cot theta + tan theta = 2 is

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  20. The value of int(-pi//4)^(pi//4) sin^(103) x*cos^(101) xdx is

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