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Q.

South African cricket captain lost the toss of a coin 13 times out of 14. The chance of this happening was

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a

7213

b

1213

c

13214

d

13213

answer is A.

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Detailed Solution

L and W can be filled at 14 places in 214 ways.

 n(S)=214

Now 13 L's and 1 W can be arranged at 14 places in 14 ways. Hence, n(A): 14.

 p=14214=7213

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South African cricket captain lost the toss of a coin 13 times out of 14. The chance of this happening was