CAT 1991 QA Question

Question 45

If x is a positive integer such that 2x +12 is perfectly divisible by x, then the number of possible values of x is

Solution

If 2x+12 is perfectly divisible by x, then 12 must be divisible by x.
Hence, there are six possible values of x : (1,2,3,4,6,12)

Video Solution

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