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Consider `N=2520`A. Number of even divisors of N is 36B. Number of odd divisors of N is 11C. Number of divisors which are multiple of 10 is 18D. number of divisors which are multiple of 4 but not of 6 is 16 |
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Answer» Correct Answer - A::C `N=2520=2^(3)xx3^(2)5xx7` (i) No. if even divisors`=(3)xx(3)xx(2)xx(2)=36` (ii). No. of odd divisors`=(3)xx(2)xx(2)=12` (iii). No. of divisors multiple of `10=(3)xx(3)xx(1)xx(2)=18` (iv). No. of divisors multiple of 4 but not `6=(2)xx(2)xx(2)=8` |
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