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function f

by P_mashru » Fri Jun 20, 2008 3:27 am
The function f is defined for each positive three-digit integer n by f(n) = 2(x).3(y).5(z), where x, y & z are the hundreds, tens, and units digits of n, respectively. If m an v are three - digit positive integers such that
f(m)=9f(v), then what could be the value of (m-v)=?

a) 18
b) 19
c) 15
d) 21
e) 80

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by P_mashru » Fri Jun 20, 2008 3:40 am
Oh its my mistake. I have posted same in sc section insead of quant where it originally belongs (is this sentence correct grametically?)

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