Subject :IMO Class : Class 6
If 2 is subtracted from the middle digit of each of the following numbers and then the positions of the digits are reversed, 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
(a) 5
(b) 4
(c) 2
(d) 3
Ans 1:
Class : Class 5
Ans is b