UPSC Government Jobs Exams Category

A boy has 3 library tickets and 8 books of its interest in the library. Of these 8, he does not want to borrow chem. Part II unless chem. Part I is also borrowed. In how many ways can he choose the three books to be borrowed?

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UPSC Other Question
A polygon has 44 diagonals. Find the number of its sides Determine the number of 3 cards combinations out of a deck of 52 cards if at least one of 3 cards is to be spade?