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) Adam |
14.4 s |
(2) David |
14.7 s |
(3) Bryan |
13.3 s |
(4) Christian |
13.8 s |
(a)
1st in the race = (3) Bryan
13.3 s2nd in the race = (4) Christian
13.8 s3rd in the race = (1) Adam
14.4 s4th in the race = (2) David
14.7 s (4) Christian was the second in the race.
(b)
Total time taken by the 4 pupils
= 14.4 + 14.7 + 13.3 + 13.8
= 56.2 s
Average time taken by the 4 pupils
= 56.2 ÷ 4
= 14.05 s
Answer(s): (a) 4; (b) 14.05 s