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) Christian |
11.8 s |
(2) David |
10.2 s |
(3) Bryan |
10.6 s |
(4) Adam |
11.1 s |
(a)
1st in the race = (2) David
10.2 s2nd in the race = (3) Bryan
10.6 s3rd in the race = (4) Adam
11.1 s4th in the race = (1) Christian
11.8 s (2) David was the first in the race.
(b)
Total time taken by the 4 children
= 11.8 + 10.2 + 10.6 + 11.1
= 43.7 s
Average time taken by the 4 children
= 43.7 ÷ 4
= 10.925 s
Answer(s): (a) 2; (b) 10.925 s