Latest CAT Aptitude Question SOLUTION: What is the total number of ways of selecting twenty balls from an infinite number of blue, green and yellow balls? (a) 320 (b) 203 (c) 231 (d) 1771

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(#M40002963) CAT question Keep an EYE

What is the total number of ways of selecting twenty balls from an infinite number of blue, green and
yellow balls?
(a) 320 (b) 203 (c) 231 (d) 1771

Solution

the answer are wrong
no. of methods to find first ball = 3
similarly no. of methods for second ball = 3
so answer for selecting 20 balls = 3^20

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Asked In CAT Nitish Kumar (12 years ago)

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