PSLE The table shows the times taken by four children to complete a race.
- Who was the third 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 |
10.4 s |
(2) Bryan |
11.6 s |
(3) David |
11.4 s |
(4) Adam |
11 s |
(a)
1st in the race = (1) Christian
10.4 s2nd in the race = (4) Adam
11 s3rd in the race = (3) David
11.4 s4th in the race = (2) Bryan
11.6 s (3) David was the third in the race.
(b)
Total time taken by the 4 children
= 10.4 + 11.6 + 11.4 + 11
= 44.4 s
Average time taken by the 4 children
= 44.4 ÷ 4
= 11.1 s
Answer(s): (a) 3; (b) 11.1 s