Question

a trader has 100 mangoes for sale if twenty are unripe, another ten are bad if he picks a mango at random, what is the probability of picking neither bad nor unripe

Answer 1

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Answer 2

In the question there are 100 mangoes.

Number of unripe mangoes =20

Number of random mangoes = 10

Total number of bad and unripe mangoes =20+10=30

Clearly,

Number of nangoes which are neither bad nor unripe= 100-30=70

Answer: 70 mangoes are neither bad nor unripe.