Permutations And Combinations

Question
CBSEENMA11014239

In an examination, Sanya has to select 3 questions from each part. There are 5. 7, 4 questions in part I, II and III respectively. What is the number of possible combinations in which she can choose the questions?

Solution

Solution not provided.
Ans. 1400

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Some More Questions From Permutations and Combinations Chapter

Determine K, so that K + 2, 4K – 6 and 3K – 2 are three consecutive terms of an A.P.