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The number of all the odd divisors of 3600 is

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The number of all the odd divisors of 3600 is

(A)  45 

(B)  4 

(C)  18 

(D)  9

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1 Answer

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Best answer

Correct option  (D) 9

3600 = 24 x 32 x 52

For odd divisors, only odd prime numbers are to be included.

So, number of odd divisors = (2 + 1) (2 + 1) = 9

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