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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)
1/40
1/2
21/46
7/41
Source: অফিসার (ক্যাশ) নিয়োগ - ১২-১০-২০১৮
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Answer: 21/46
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সেট (Set)
মুক্তিযুদ্ধ ও ভাষা আন্দোলন
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বাক্যতত্ত্ব বা পদক্রম (Syntax)
ঘড়ি বিষয়ক সমস্যা (Clock Related Problem)
বাংলাদেশের কৃষি সম্পদ
সমাস
অন্যান্য সাহিত্যিক থেকে আসা প্রশ্ন
ছন্দ ও ছন্দের প্রকারভেদ
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