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7. Permutations and Combinations
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Q60 of 64 Page 122

There are 3 books on Mathematics, 4 on Physics and 5 on English. How many different collections can be made such that each collection consists of:

Given:-


Number of book of mathematics=3


Number of book of physics=4


Number of book of English=5



3C1.4C1.5C1=60



=(23-1)( 23-1)( 25-1)


=3225



Adding book other than English=4+3=7


=(25-1).27


3968


Answer is above in table



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Questions · 64
7. Permutations and Combinations
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