Sunday, 4 August 2013

CAT Question of the Day

Question of the day

N is the smallest number that has 5 factors. How many factors does (N - 1) have?

a) 2
b) 3
c) 4
d) 5
at
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1 comment:

  1. Unknown10 September 2015 at 00:16

    c)4
    16 has 1,2,4,8,16 as factors.
    15 has 1,3,5,15 as factors

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