If 4 maths book are selected from6 different maths bokk and 3 english book are chosen from 5 different english book then how many ways can 7 books we arranged on a self if there are no restriction
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Answer:
525
Step-by-step explanation:
Number of ways of choosing 4 Maths books from 6 Matha books = 6C4 = 6C2 = 15.
Number of ways of choosing 3 English books from 7 English books = 7C3 = 35.
Since there is no restrictions, the number of ways of arranging 15 maths and 35 English books, by fundamental counting principle, is 15 × 35 = 525
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