PSLE The table shows the times taken by four boys 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 boys to complete the race?
Boys |
Time |
(1) David |
15.5 s |
(2) Christian |
16.1 s |
(3) Bryan |
14.2 s |
(4) Adam |
14.7 s |
(a)
1st in the race = (3) Bryan
14.2 s2nd in the race = (4) Adam
14.7 s3rd in the race = (1) David
15.5 s4th in the race = (2) Christian
16.1 s (4) Adam was the second in the race.
(b)
Total time taken by the 4 boys
= 15.5 + 16.1 + 14.2 + 14.7
= 60.5 s
Average time taken by the 4 boys
= 60.5 ÷ 4
= 15.125 s
Answer(s): (a) 4; (b) 15.125 s