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 |
11.8 s |
(2) Bryan |
10.7 s |
(3) Christian |
11 s |
(4) Adam |
10.3 s |
(a)
1st in the race = (4) Adam
10.3 s2nd in the race = (2) Bryan
10.7 s3rd in the race = (3) Christian
11 s4th in the race = (1) David
11.8 s (1) David was the last in the race.
(b)
Total time taken by the 4 children
= 11.8 + 10.7 + 11 + 10.3
= 43.8 s
Average time taken by the 4 children
= 43.8 ÷ 4
= 10.95 s
Answer(s): (a) 1; (b) 10.95 s