Math, asked by ajith8568, 1 year ago

In a purse there are 30 coins, twenty one-rupee and remaining 50 paise coins. Eleven coins are picked 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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Answered by qais

2

Please read every lines. I have tried to explain it in better way.
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