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Question

A box contains 5 apples, 6 oranges and 'x' bananas. If the probability of selecting an apple from the box is 1/3, then the number of bananas is ________.


Solution

Total number of fruits in the box = 5 + 6 + x = 11 + x

Probability of selecting an apple = Number of apples in the boxTotal number of fruits in the box=511+x

It is given that the probability of selecting an apple from the box is 13.

511+x=1311+x=15x=15-11=4

A box contains 5 apples, 6 oranges and 'x' bananas. If the probability of selecting an apple from the box is 1/3, then the number of bananas is ____4____.

Mathematics
RD Sharma (2020, 2021)
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