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Question

Number of divisors of the form 4n + 2; n 0 which can divide 240 is:

A
4
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B
8
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C
10
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D
3
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Solution

The correct option is A 4
We have 240 =24×3×5
Number of divisors
=5×2×2 = 20, which are given below:
12481636122448510204080153060120240
Thus only 4 divisors are of the form 4n + 2. (i.e, 2,6,10 &30)
Hence option a is correct.

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