PSLE A group of boys were asked to choose their favourite sport from basketball, volleyball and aerobics. The pie chart represents the boys' choices. Half of the group chose aerobics.
- What percentage of the group chose basketball?
- The boys' choices were also represented by a bar graph. Part of the graph is not shown. How many boys chose volleyball?
(a)
Percent of the group that chose aerobicsl
= Half of the pie chart
=
12 x 100%
= 50%
Percent of the group that chose volleyball = 20%
Percent of the group that chose basketball
= 100% - 50% - 20%
= 30%
(b)
50% of the group = 30
1% of the group =
3050 Percent of the group that chose volleyball
= 20% of the group
= 20 x
3050 = 12
Answer(s): (a) 30%; (b) 12