JAMB 2011 · UTME · Q11
Rahila has 7 different posters to be hung in her bedroom, living room and kitchen. Assuming she plans to place a poster in each of the 3 rooms, how many choices does she have?
Worked solution (try it first)
- The rooms are different, so the order matters: this is .
- The bedroom can have any of the 7 posters, the living room any of the 6 left, and the kitchen any of the 5 left.
- So she has choices, option D.