Hey..!!

Eleven coins are picked simultaneously at random and are placed in abox.

If a coin is now picked from the box, find the probability of it being a rupee coin

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In a purse there are 30 coins, twenty one-rupee and remainin

In a purse there are 30 coins, twenty one-rupee and remainin

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(equal no. of every one) of rupee and h

(equal no. of every one) of rupee and h

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