PSLE The table shows the times taken by four children to complete a race.
- Who was the first in the race? Give your answer in number. (Eg 1)
- What was the average time taken by the 4 children to complete the race?
Children |
Time |
(1) Christian |
13.6 s |
(2) Bryan |
12.7 s |
(3) David |
12.8 s |
(4) Adam |
13.2 s |
(a)
1st in the race = (2) Bryan
12.7 s2nd in the race = (3) David
12.8 s3rd in the race = (4) Adam
13.2 s4th in the race = (1) Christian
13.6 s (2) Bryan was the first in the race.
(b)
Total time taken by the 4 children
= 13.6 + 12.7 + 12.8 + 13.2
= 52.3 s
Average time taken by the 4 children
= 52.3 ÷ 4
= 13.075 s
Answer(s): (a) 2; (b) 13.075 s