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Question: There are 15 boys and 10 girls in a class. If three students are selected at random, what is the probability that 1 girl and 2 boys are selected?
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Question: There are 15 boys and 10 girls in a class. If three students are selected at random, what is the probability that 1 girl and 2 boys are selected?
Question 1: There are 15 boys and 10 girls in a class. If three students are selected at random, what is the probability that 1 girl and 2 boys are selected?
View topic: বিন্যাস, সমবেশ ও সম্ভাব্যতা (Permutation, Combination and Probability)
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7/41
Source: অফিসার (ক্যাশ) নিয়োগ - ১২-১০-২০১৮
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Answer: 21/46
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