A teacher of 6 students takes 2 of his students at a time to a zoo as often as he

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(#M40020715) EXAM question permutation Keep an EYE

A teacher of 6 students takes 2 of his students at a time to a zoo as often as he can, without taking the same pair of children together more than once. How many times does the teacher go to the zoo?

A.

10

B.

12

C.

15

D.

20: Asked In exam MAN (10 years ago); Unsolved; Is this Puzzle helpful? (1) (0) Submit Your Solution

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A MAN IS LIKE A FRACTION WHOSE NUMERATOR IS WHAT HE IS AND WHOSE DENOMINATOR IS WHAT HE THINK ABOUT HIMSELF LARGER THE DENOMINATOR SMALLER THE FRACTION

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Latest exam Aptitude Question SOLUTION: A teacher of 6 students takes 2 of his students at a time to a zoo as often as he can, without taking the same pair of children together more than once. How many times does the t