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) Christian |
13.1 s |
(2) Adam |
12.5 s |
(3) Bryan |
12.9 s |
(4) David |
12.1 s |
(a)
1st in the race = (4) David
12.1 s2nd in the race = (2) Adam
12.5 s3rd in the race = (3) Bryan
12.9 s4th in the race = (1) Christian
13.1 s (1) Christian was the last in the race.
(b)
Total time taken by the 4 pupils
= 13.1 + 12.5 + 12.9 + 12.1
= 50.6 s
Average time taken by the 4 pupils
= 50.6 ÷ 4
= 12.65 s
Answer(s): (a) 1; (b) 12.65 s