Subject :IMO Class : Class 3
If units place digit and thousands place digit are interchanged in each of the given numbers, then the smallest number will be _____.
AP
BQ
CR
DS
Ans 1: (Master Answer)
Class : Class 1
(D):
After interchanging the digits numbers are :
P - 7849, Q - 7859, R - 7889, S - 6349
So, S is the smallest number.