Question

Three children, each accompanied by a guardian, seek admission in a school. The principal wants to interview all the 6 persons one after the other subject to the condition that no child is interviewed before its guardian. In how many ways can this de done ?

Answer 1

@experimentX @RadEn @rishavharsh

Answer 2

bah .... i hate reading!!

Answer 3

how do you start?

Answer 4

i just used combinations

Answer 5

of course this is comibatorics problem.

Answer 6

6C2

Answer 7

honestly i don't know ... my mind has stopped working

Answer 8

but it would start by drawing figures.