Q.

Two coins are tossed. The probability of getting exactly one tail if it is known that there is  one tail on the coins is

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a

13

b

23

c

14

d

15

answer is B.

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Detailed Solution

PA/B=23
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Get ₹ 1 crore* worth scholarship for JEE / NEET / Foundation
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Best Books for NEET
How to Join IIT after 10th
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Two coins are tossed. The probability of getting exactly one tail if it is known that there is  one tail on the coins is