CAIE S1 2016 June — Question 7

Exam BoardCAIE
ModuleS1 (Statistics 1)
Year2016
SessionJune
TopicPermutations & Arrangements
TypeExactly N letters between items

7
  1. Find the number of different arrangements which can be made of all 10 letters of the word WALLFLOWER if
    1. there are no restrictions,
    2. there are exactly six letters between the two Ws.
  2. A team of 6 people is to be chosen from 5 swimmers, 7 athletes and 4 cyclists. There must be at least 1 from each activity and there must be more athletes than cyclists. Find the number of different ways in which the team can be chosen.