Product

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Product

by saurabhmahajan » Wed May 05, 2010 7:52 pm
If x is the product of the positive integers from 1 to 8 inclusive and if i,k,m and p are positive integers such that x=(2^i)(3^k)(5^m)(7^p) then i+k+m+p=?

a) 4
b) 7
c) 8
d) 11
e) 12


OA: D
Source: — Problem Solving |

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by liferocks » Wed May 05, 2010 7:56 pm
X=1*2*3*4*5*6*7*8 or 2^7*3^2*5^1*7^1

i+k+m+p=7+2+1+1=11

Ans option D

please use spoiler for the OA
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