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 |
12.8 s |
(2) Christian |
14.3 s |
(3) David |
14 s |
(4) Bryan |
13.2 s |
(a)
1st in the race = (1) Adam
12.8 s2nd in the race = (4) Bryan
13.2 s3rd in the race = (3) David
14 s4th in the race = (2) Christian
14.3 s (3) David was the third in the race.
(b)
Total time taken by the 4 pupils
= 12.8 + 14.3 + 14 + 13.2
= 54.3 s
Average time taken by the 4 pupils
= 54.3 ÷ 4
= 13.575 s
Answer(s): (a) 3; (b) 13.575 s