suyeemoe suyeemoe

15-08-2019
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12 COINS are tossed and placed in a line.each coin can show either a head or a tail.fine the number of different arrangements which contain 7 heads and 5 tails

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aditi51 aditi51

15-08-2019

Answer:

35/144

Explanation:

7/12*5/12 beacause in case of and we multiply and if there is or in the sentence we add

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