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Number of divisors of 240 in the form 4n + 2 (n ≥ 0) is equal to

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Number of divisors of 240 in the form 4n + 2 (n ≥ 0) is equal to

(A) 4

(B) 8

(C) 10

(D) 3

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1 Answer

+1 vote
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Best answer

Correct option (A) 4

Explanation:

240 = 24 . 31 . 51 

We can choose divisors of the from 4n + 2 (n ≥ 0)

= 2.(30 + 31) (50 + 51)

Ways

= 4

since (21 .30 .50 , 21 .30 .51 , 21 .31 .50 , 21 .31 .51)

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