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) Bryan |
12.5 s |
(2) Christian |
12.7 s |
(3) David |
11.2 s |
(4) Adam |
11.9 s |
(a)
1st in the race = (3) David
11.2 s2nd in the race = (4) Adam
11.9 s3rd in the race = (1) Bryan
12.5 s4th in the race = (2) Christian
12.7 s (4) Adam was the second in the race.
(b)
Total time taken by the 4 pupils
= 12.5 + 12.7 + 11.2 + 11.9
= 48.3 s
Average time taken by the 4 pupils
= 48.3 ÷ 4
= 12.075 s
Answer(s): (a) 4; (b) 12.075 s