PSLE The table shows the times taken by four pupils 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 pupils to complete the race?
Pupils |
Time |
(1) David |
14.9 s |
(2) Christian |
15.3 s |
(3) Bryan |
13.9 s |
(4) Adam |
14.2 s |
(a)
1st in the race = (3) Bryan
13.9 s2nd in the race = (4) Adam
14.2 s3rd in the race = (1) David
14.9 s4th in the race = (2) Christian
15.3 s (4) Adam was the second in the race.
(b)
Total time taken by the 4 pupils
= 14.9 + 15.3 + 13.9 + 14.2
= 58.3 s
Average time taken by the 4 pupils
= 58.3 ÷ 4
= 14.575 s
Answer(s): (a) 4; (b) 14.575 s