PSLE The table shows the times taken by four boys to complete a race.
- Who was the first 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 |
15.8 s |
(2) Christian |
14.3 s |
(3) Adam |
15 s |
(4) Bryan |
15.2 s |
(a)
1st in the race = (2) Christian
14.3 s2nd in the race = (3) Adam
15 s3rd in the race = (4) Bryan
15.2 s4th in the race = (1) David
15.8 s (2) Christian was the first in the race.
(b)
Total time taken by the 4 boys
= 15.8 + 14.3 + 15 + 15.2
= 60.3 s
Average time taken by the 4 boys
= 60.3 ÷ 4
= 15.075 s
Answer(s): (a) 2; (b) 15.075 s