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The first 12 letters of English alphabet...

The first `12` letters of English alphabet are written down at random in a row. The probability that there exactly `4` letters between `A and B`, is

A

`(7)/(33)`

B

`(7)/(68)`

C

`(7)/(99)`

D

`(5)/(33)`

Text Solution

Verified by Experts

The correct Answer is:
(b)
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ARIHANT MATHS-PROBABILITY-Exercise For Session 1
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