A bag contains 100 balls numbered from 1...

A bag contains `100` balls numbered from `1` to `100.` Four balls are removed at random without replacement. The probability that the number on the last ball is smaller than the number on first ball, is equal to (A) `1/4` (B) `3/4` (C) `2/5` (D) `1/2`

A

`1//4`

B

`3//4`

C

`2//5`

D

`1//2`

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The correct Answer is:

D

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