If all the digits are arranged in the decreasing order from left to right in the number “5492872436513”, then how many digits remain unchanged in their position?
A. One
B. Two
C. Three
D. More than three
E. None
Ans:Sol:
5 4 9 2 8 7 2 4 3 6 5 1 3
9 8 7 6 5 5 4 4 3 3 2 2 1
Hence, option B is correct.
