Tough functions problem

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Tough functions problem

by doclkk » Sun Jul 05, 2009 7:54 am
For any four digit number, abcd, *abcd*= (3a)(5b)(7c)(11d). What is the value of (n – m) if m and n are four-digit numbers for which *m* = (3r)(5s)(7t)(11u) and *n* = (25)(*m*)?

A. 2000
B. 200
C. 25
D. 20
E. 2

OA: B
Source: — Problem Solving |

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by ghacker » Sun Jul 05, 2009 11:47 am
I think You have typed the question incorrectly

When you are submitting the question please recheck and submit


I think the question should be as follows

*abcd* = (3^a)(5^b)(7^c)(11^d)

If so then the answer is 200

If that's not the case then Its very difficult to solve