UPSC NDA II 2023 Mathematics Solved Paper
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Consider the following for the next five (05) items that follow :
Three boysP , Q , R and three girls S , T , U are to be arranged in a row for a group photograph.
Three boys
[NDA II 2023]
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Question : 116 of 120
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What is the probability that all three boys sit together?
[NDA II 2023]
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