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Question: A box contains 10 electric bulbs from which 2 bulbs are defective . Two bulbs are chosen at random. What is the probability that one of them is defective?
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Question: A box contains 10 electric bulbs from which 2 bulbs are defective . Two bulbs are chosen at random. What is the probability that one of them is defective?
Question 1: A box contains 10 electric bulbs from which 2 bulbs are defective . Two bulbs are chosen at random. What is the probability that one of them is defective?
View topic: বিন্যাস, সমবেশ ও সম্ভাব্যতা (Permutation, Combination and Probability)
3/10
16/45
25/68
8/33
Source: Basic bank recruitment 2018; auditor -- 26.01.2018
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Answer: 16/45
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খেলাধুলা ও বিনোদন
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