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4 votes
There are $4$ women $P, Q, R, S$ and $5$ men $V, W, X, Y, Z$ in a group. We are required to form pairs each consisting of one woman and one man. $P$ is not to be paired w...
506
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2 votes
I'm facing a problem these days, the question is saying the following: " Imagine we are having an array of positive integers called (a) and a variable called (k). Among t...