MathDB

9

Part of 2006 ISI B.Stat Entrance Exam

Problems(1)

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

Source: ISI (BS) 2006 #9

6/2/2012
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.
number theory proposednumber theory