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If n(A)=4, n(B)=5 and number of function...

If n(A)=4, n(B)=5 and number of functions from A to B such that range contains exactly 3 elements is k, `k/(60)` is ………. .

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ARIHANT MATHS-FUNCTIONS-Exercise (Single Integer Answer Type Questions)
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  2. If A={1,2,3}, B={1,3,5,7,9}, the ratio of number of one-one functions ...

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  3. If n(A)=4, n(B)=5 and number of functions from A to B such that range ...

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  4. If a and b are constants, such that f(x)=asinx+bxcosx+2x^(2) and f(2...

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  5. If the functions f(x)=x^(5)+e^(x//3) " and " g(x)=f^(-1)(x), the value...

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  6. If f(x)=x^(3)-12x+p,p in {1,2,3,…,15} and for each 'p', the number of ...

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  7. Let f(x) denotes the number of zeroes in f'(x). If f(m)-f(n)=3, the va...

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  8. If x^2+y x^2=4 then find the xamimum value of (x^3+y^3)/(x+y)

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  9. Let f(n) denotes the square of the sum of the digits of natural numbe...

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  10. If [sinx]+[x/(2pi)]+[(2x)/(5pi)]=(9x)/(10pi), where [*] denotes the gr...

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  11. The number of integral solutions of 1/x+1/y=1/6 " with " x le y " is "...

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  12. If f(x) is a polynominal of degree 4 with leading coefficient '1' sati...

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  13. If a+b = 3- cos 4 theta and a-b =4 sin 2theta, then ab is always less ...

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  14. Let 'n' be the number of elements in the domain set of the function f(...

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  15. If f(x) is a function such that f(x-1)+f(x+1)=sqrt(3)f(x) and f(5)=10,...

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  16. If 2f(x)=f(x y)+f(x/y) for all positive values of x and y,f(1)=0 and f...

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  17. Let f be a function from the set of positive integers to the set of re...

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  18. If f(x)=(x^(4)+x^(2)+1)/(x^(2)-x+1), the value of f(omega^(n)) (where ...

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  19. If f^2(x)*f((1-x)/(1+x))=x^3, [x!=-1,1 and f(x)!=0], then find |[f(-2)...

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  20. An odd function is symmetric about the vertical line x=a ,(a >0),a n d...

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