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The number of ways of dividing 12 boys...

The number of ways of dividing 12 boys into 2 groups of 7,5 boys respectively is

A

`(8!)/(6! 5!)`

B

`(9!)/(5!4!)`

C

`(10!)/(3!2!)`

D

`(12!)/(7! 5!)`

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The correct Answer is:
D
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DIPTI PUBLICATION ( AP EAMET)-PERMUTATIONS & COMBINATIONS-EXERCISE 1B (COMBINATIONS )
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