Latest Book Aptitude Question SOLUTION: A basket contains 15 apples and 10 oranges out of which 4 apples and 2 oranges are defective. If a person takes two fruits at random, what is the probability that either both are a

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(#M40021383) BOOK Numerical Ability question Keep an EYE

A basket contains 15 apples and 10 oranges out of which 4 apples and 2 oranges are defective. If a person takes two fruits at random, what is the probability that either both are apples or both are good

Asked In Book Abhishek (10 years ago)

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Rihana reeza  (6 years ago)

Total apples 15 ;good apples 15-4=11
Total oranges 10 ;good oranges 10-2=8
Sample space =25c2 = 300
N(e)=both are apples(Can be good or bad) + both fruits are good fruits (apple and orange) - good apple(good apple comes in both category,so excluding)
15c2 + 19c2 - 11c2
=221
P(e)=221/300

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ziauddin  (10 years ago)

(15C2/25C2)+(11C2/25C2)=4/9

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