PSLE The table shows the times taken by four children to complete a race.
- Who was the second 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 |
13.3 s |
(2) Christian |
13.7 s |
(3) Adam |
12.4 s |
(4) Bryan |
13 s |
(a)
1st in the race = (3) Adam
12.4 s2nd in the race = (4) Bryan
13 s3rd in the race = (1) David
13.3 s4th in the race = (2) Christian
13.7 s (4) Bryan was the second in the race.
(b)
Total time taken by the 4 children
= 13.3 + 13.7 + 12.4 + 13
= 52.4 s
Average time taken by the 4 children
= 52.4 ÷ 4
= 13.1 s
Answer(s): (a) 4; (b) 13.1 s