PSLE The table shows the times taken by four girls 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 girls to complete the race?
Girls |
Time |
(1) Adam |
15.8 s |
(2) Christian |
14.8 s |
(3) Bryan |
15.3 s |
(4) David |
15.6 s |
(a)
1st in the race = (2) Christian
14.8 s2nd in the race = (3) Bryan
15.3 s3rd in the race = (4) David
15.6 s4th in the race = (1) Adam
15.8 s (2) Christian was the first in the race.
(b)
Total time taken by the 4 girls
= 15.8 + 14.8 + 15.3 + 15.6
= 61.5 s
Average time taken by the 4 girls
= 61.5 ÷ 4
= 15.375 s
Answer(s): (a) 2; (b) 15.375 s