PSLE The table shows the times taken by four pupils to complete a race.
- Who was the first 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) Adam |
16.3 s |
(2) David |
15 s |
(3) Bryan |
15.8 s |
(4) Christian |
14.5 s |
(a)
1st in the race = (4) Christian
14.5 s2nd in the race = (2) David
15 s3rd in the race = (3) Bryan
15.8 s4th in the race = (1) Adam
16.3 s (1) Adam was the last in the race.
(b)
Total time taken by the 4 pupils
= 16.3 + 15 + 15.8 + 14.5
= 61.6 s
Average time taken by the 4 pupils
= 61.6 ÷ 4
= 15.4 s
Answer(s): (a) 1; (b) 15.4 s