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) David |
16.6 s |
(2) Bryan |
14.9 s |
(3) Christian |
15.7 s |
(4) Adam |
16.1 s |
(a)
1st in the race = (2) Bryan
14.9 s2nd in the race = (3) Christian
15.7 s3rd in the race = (4) Adam
16.1 s4th in the race = (1) David
16.6 s (2) Bryan was the first in the race.
(b)
Total time taken by the 4 children
= 16.6 + 14.9 + 15.7 + 16.1
= 63.3 s
Average time taken by the 4 children
= 63.3 ÷ 4
= 15.825 s
Answer(s): (a) 2; (b) 15.825 s