PSLE The table shows the times taken by four pupils to complete a race.
- Who was the third 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 |
13.3 s |
(2) David |
15 s |
(3) Bryan |
14.2 s |
(4) Christian |
13.5 s |
(a)
1st in the race = (1) Adam
13.3 s2nd in the race = (4) Christian
13.5 s3rd in the race = (3) Bryan
14.2 s4th in the race = (2) David
15 s (3) Bryan was the third in the race.
(b)
Total time taken by the 4 pupils
= 13.3 + 15 + 14.2 + 13.5
= 56 s
Average time taken by the 4 pupils
= 56 ÷ 4
= 14 s
Answer(s): (a) 3; (b) 14 s