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Question: Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5 ?
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Question: Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5 ?
Question 1: Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5 ?
View topic: বিন্যাস, সমবেশ ও সম্ভাব্যতা (Permutation, Combination and Probability)
1/2
9/20
44990
8/15
Source: এক্সিকিউটিভ অফিসার (সাধারণ) ১৮.১০.২০১৯
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Answer: 9/20
Explanation:
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সমীকরণ (Equations)
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অনুসর্গ বা কর্মপ্রবচনীয়
প্রয়োগ-অপপ্রয়োগ
Analogy
Tense
বানান শুদ্ধিকরণ
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ছোট গল্প
শতকরা ও লাভ-ক্ষতি (Percentage and Profit and loss)
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