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If the first and third digits in each of...

If the first and third digits in each of the following numbers are interchanged and then the numbers are arranged in descending order. What will be the middle digit of the middle number?
613 432 573 485 907

A

8

B

1

C

3

D

7

Text Solution

Verified by Experts

The correct Answer is:
D
Interchanging the first and third digit, the new arrangement of numbers is:
316 234 375 584 709
Now, descending order of number is
709 584 375 316 234
Now, middle number is 375.
`therefore` The middle digit of 375 is 7.
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