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If one quarter of all the subjects conta...

If one quarter of all the subjects containing three elements of the integers 1,2,3…..m contain the integer 5, then m is equal to

A

12

B

10

C

14

D

11

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The correct Answer is:
A
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AAKASH INSTITUTE-PERMUTATIONS AND COMBINATIONS -Assignment Section B Objective type questions (One option is correct )
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