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N=4*M, M is the reverse of N

Source: ISI (BS) 2006 #9

June 2, 2012
number theory proposednumber theory

Problem Statement

Find a four digit number MM such that the number N=4×MN=4\times M has the following properties.
(a) NN is also a four digit number
(b) NN has the same digits as in MM but in reverse order.
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