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) Adam |
15.6 s |
(2) David |
16.2 s |
(3) Bryan |
14.6 s |
(4) Christian |
15 s |
(a)
1st in the race = (3) Bryan
14.6 s2nd in the race = (4) Christian
15 s3rd in the race = (1) Adam
15.6 s4th in the race = (2) David
16.2 s (4) Christian was the second in the race.
(b)
Total time taken by the 4 children
= 15.6 + 16.2 + 14.6 + 15
= 61.4 s
Average time taken by the 4 children
= 61.4 ÷ 4
= 15.35 s
Answer(s): (a) 4; (b) 15.35 s