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Question: There are 15 balls in a box 8 balls are green 4 are blue and 3 are white. Then 1 green and 1 blue balls are taken from the box and put away. what is the probability that a blue ball is selected at random from the box?
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Question: There are 15 balls in a box 8 balls are green 4 are blue and 3 are white. Then 1 green and 1 blue balls are taken from the box and put away. what is the probability that a blue ball is selected at random from the box?
Question 1: There are 15 balls in a box 8 balls are green 4 are blue and 3 are white. Then 1 green and 1 blue balls are taken from the box and put away. what is the probability that a blue ball is selected at random from the box?
View topic: বিন্যাস, সমবেশ ও সম্ভাব্যতা (Permutation, Combination and Probability)
3?15
4/15
3/13
4/13
Source: Probashi kallyan bank - senior officer -19.01.2018
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Answer: 3/13
Explanation:
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কবিতা ও কাব্যগ্রন্থ
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ভগ্নাংশ (Fraction)
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