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) David |
13.4 s |
(2) Bryan |
14.4 s |
(3) Christian |
13.9 s |
(4) Adam |
13.7 s |
(a)
1st in the race = (1) David
13.4 s2nd in the race = (4) Adam
13.7 s3rd in the race = (3) Christian
13.9 s4th in the race = (2) Bryan
14.4 s (3) Christian was the third in the race.
(b)
Total time taken by the 4 children
= 13.4 + 14.4 + 13.9 + 13.7
= 55.4 s
Average time taken by the 4 children
= 55.4 ÷ 4
= 13.85 s
Answer(s): (a) 3; (b) 13.85 s