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GATE Electronics and Communications (EC) 2014 Shift 1 Solved Paper

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Question : 10

Total: 65

You are given three coins: one has heads on both faces, the second has tails on both faces, and the third has a head on one face and a tail on the other. You choose a coin at random and toss it, and it comes up heads. The probability that the other face is tails is

1/4
1/3
1/2
2/3

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