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) Adam |
13.2 s |
(2) Christian |
12.5 s |
(3) Bryan |
12.7 s |
(4) David |
11.9 s |
(a)
1st in the race = (4) David
11.9 s2nd in the race = (2) Christian
12.5 s3rd in the race = (3) Bryan
12.7 s4th in the race = (1) Adam
13.2 s (1) Adam was the last in the race.
(b)
Total time taken by the 4 children
= 13.2 + 12.5 + 12.7 + 11.9
= 50.3 s
Average time taken by the 4 children
= 50.3 ÷ 4
= 12.575 s
Answer(s): (a) 1; (b) 12.575 s