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) Bryan |
16.2 s |
(2) Christian |
14.9 s |
(3) David |
15.4 s |
(4) Adam |
14.7 s |
(a)
1st in the race = (4) Adam
14.7 s2nd in the race = (2) Christian
14.9 s3rd in the race = (3) David
15.4 s4th in the race = (1) Bryan
16.2 s (1) Bryan was the last in the race.
(b)
Total time taken by the 4 children
= 16.2 + 14.9 + 15.4 + 14.7
= 61.2 s
Average time taken by the 4 children
= 61.2 ÷ 4
= 15.3 s
Answer(s): (a) 1; (b) 15.3 s