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A bag contains all the alphabets small as well capital. Two alphabets are drawn at first and then again two alphabets in second draw without replacing them. Find the probability of all four alphabets being the small ones

A bag contains all the alphabets small as well capital. Two alphabets are drawn at first and then again two alphabets in second draw without replacing them. Find the probability of all four alphabets being the small ones Correct Answer 6 / 25

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Compare the values of the two quantities in the question and answer. Quantity 1: A bag contains 20 balls which are red, green and blue. Find the number of red balls in the bag, if the probability of picking a blue ball is 2/5 and that of either a red or a blue ball is 3/4. Quantity 2: A bag contains 25 balls which are red, green and blue. The probability of picking a red ball first is 2/5. If the first ball was red and without keeping it back, probability of picking a blue ball is 1/3, find the number of green balls.
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