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 |
15.7 s |
(2) David |
15.9 s |
(3) Christian |
14.4 s |
(4) Bryan |
15.1 s |
(a)
1st in the race = (3) Christian
14.4 s2nd in the race = (4) Bryan
15.1 s3rd in the race = (1) Adam
15.7 s4th in the race = (2) David
15.9 s (4) Bryan was the second in the race.
(b)
Total time taken by the 4 pupils
= 15.7 + 15.9 + 14.4 + 15.1
= 61.1 s
Average time taken by the 4 pupils
= 61.1 ÷ 4
= 15.275 s
Answer(s): (a) 4; (b) 15.275 s