Subject :IMO Class : Class 6
If 3 is subtracted from the middle digit of each of the following numbers and then the position of the first and second digits are interchanged, then which of the following will be the last digit of the middle number after they are arranged in descending order?
489 362 154 271 542
A5
B4
C2
D3
the answer c
Ans 1:
Class : Class 8
Ans 2:
Class : Class 8