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 |
11.9 s |
(2) Bryan |
10.5 s |
(3) Adam |
10.8 s |
(4) Christian |
11.2 s |
(a)
1st in the race = (2) Bryan
10.5 s2nd in the race = (3) Adam
10.8 s3rd in the race = (4) Christian
11.2 s4th in the race = (1) David
11.9 s (2) Bryan was the first in the race.
(b)
Total time taken by the 4 children
= 11.9 + 10.5 + 10.8 + 11.2
= 44.4 s
Average time taken by the 4 children
= 44.4 ÷ 4
= 11.1 s
Answer(s): (a) 2; (b) 11.1 s