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The Number of ways in which five differe...

The Number of ways in which five different books to be distributed among 3 persons so that each person gets at least one book, is equal to the number of ways in which? 5 persons are allotted 3 different residential flats so that each person is allotted at most one flat and no two persons are allotted the same flat

A

Number of parallelograms (some of which may be overlapping) formed by one set of 6 parallel lines and other set of 5 parallel lines that goes in other direction

B

5 different toys are to be distributed among 3 children, so that each child gets at least one toy

C

3 mathematics professors are assigned five different lectures to be delivered, so that each

D

professor gets at least one lecture

Text Solution

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The correct Answer is:
B, C, D
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