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 |
13.5 s |
(2) David |
12.9 s |
(3) Bryan |
13.2 s |
(4) Christian |
12.2 s |
(a)
1st in the race = (4) Christian
12.2 s2nd in the race = (2) David
12.9 s3rd in the race = (3) Bryan
13.2 s4th in the race = (1) Adam
13.5 s (1) Adam was the last in the race.
(b)
Total time taken by the 4 pupils
= 13.5 + 12.9 + 13.2 + 12.2
= 51.8 s
Average time taken by the 4 pupils
= 51.8 ÷ 4
= 12.95 s
Answer(s): (a) 1; (b) 12.95 s