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Find the number of ways of selecting 4 English, 3 Telugu and 2 Hindi books out of 7 English, 6 Telugu and 5 Hindi books.

+3 votes

asked Jun 13, 2018 in JEE by kratos

Find the number of ways of selecting 4 English, 3 Telugu and 2 Hindi books out of 7 English, 6 Telugu and 5 Hindi books.

cbse
jee
class-5
addition
class-6
sports stars
relations and functions
permutations and combinations
class-10
jee mains
class-12
sets

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1 Answer

+1 vote

answered Apr 19, 2020 by kratos

Best answer

The number of ways of selecting

4 English books out of 7 books = 7C4

3 Telugu books out of 6 books = 6C3

2 Hindi books out of 5 books = 5C2

Hence, the number of required ways

7C4 × 6C3 × 5C2 = 35 × 20 × 10 = 7000.

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