S. In a purse there are 30 coins, twenty one-rupee and remaining 50-paise coins. Eleven coins are picked simultaneously at random and are placed in a box. If a coin is now picked from the box, find the probability of it being a rupee coin?
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Solution :-
The answer to this question should be ' cannot be determined'.
Reason -
11 coins are picked randomly and placed in a box, and now one coin is picked from these 11 coins. But how one can know that between these 11 coins, how many are 1 rupee coins and how many are 50 paisa coins.
Therefore, the answer of this question should be 'cannot be determined'
The answer to this question should be ' cannot be determined'.
Reason -
11 coins are picked randomly and placed in a box, and now one coin is picked from these 11 coins. But how one can know that between these 11 coins, how many are 1 rupee coins and how many are 50 paisa coins.
Therefore, the answer of this question should be 'cannot be determined'
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