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  • Question 1
    3 / -1

    The number of surjections from A = {1,2, ...n), n > 2 onto B = (a,b) is

  • Question 2
    3 / -1

    The number of bijective functions from set A to itself when A contains 106 elements is

  • Question 3
    3 / -1

  • Question 4
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    If a1 a2, a3 are in G.P. with common ratio r, then value of a3 > 4a2 - 3a1 holds if

  • Question 5
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    If a∈ z, ( x - a ) (x - 10) + 1 = 0 has integral roots, then values of a are

  • Question 6
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    The value of a for which (1 - 2a) x2 - 6ax - 1 = 0 and ax2 -x + 1 = 0 have atleast one root, in common are

  • Question 7
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    The number of ways in which one or more balls can be selected out of 10 white, 9 green and 7 blues balls, is

  • Question 8
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    If sum of coefficient of (a + b)n is 4096, then greatest coefficient is

  • Question 9
    3 / -1

    If A is singular, then A adj A is matrix

  • Question 10
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