If P represents the product of the first 15 positive integers, then P is not a multiple of:
a) 99 b) 84 c) 72 d) 65 e) 57
a) 99 b) 84 c) 72 d) 65 e) 57
--Anand--
Lets factorize the answer choicesselango wrote:If P represents the product of the first 15 positive integers, then P is not a multiple of:
a) 99 b) 84 c) 72 d) 65 e) 57
99 - 3 x 3 x 11
84 - 3 x 4 x 7
72 - 2 x 2 x 2 x 3 x 6
65 - 5 x 13
57 - 3 x 19
Note that 57 has a factor '19' which will not feature in the first 15 positive integers. Hence P cannot be a multiple of 57.
Hence thats the answer.
