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Question: In a class of 60, where girls are twice that of boys , Kamal ranked seventeenth from the top . If there are 9 girls ahead of Kamal , how many boys are after him in rank ?
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Question: In a class of 60, where girls are twice that of boys , Kamal ranked seventeenth from the top . If there are 9 girls ahead of Kamal , how many boys are after him in rank ?
Question 1: In a class of 60, where girls are twice that of boys , Kamal ranked seventeenth from the top . If there are 9 girls ahead of Kamal , how many boys are after him in rank ?
View topic: বিন্যাস, সমবেশ ও সম্ভাব্যতা (Permutation, Combination and Probability)
3
7
12
23
Source: Bangladesh Bank - Assistant Director - 2016
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Answer: 12
Explanation:
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চাকরি পাওয়ার সম্ভাবনা ৪/৫ হলে চাকরি না পাওয়ার সম্ভাবনা কত?
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A , B , C বর্ণের ৩ টি করে বর্ণ নিয়ে কত প্রকারে বিন্যাস করা যায় ?
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অসমতা (Inequality)
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