Question

A teacher takes 3 children frpom her class to the zoo at a time as often as she can, but she does not taker the same three children to the zoo more than once. she finds that she goes to the zoo 84 times more that a particular child goes to the zoo. the number of children in her class is

Answer 1

First you have to divide with 84 by 3 then you got the answer ok

Answer 2

Answer:

Answer is 10 it from the concept of permutations and combinations lesson

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