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) Christian |
12.4 s |
(2) Adam |
11.1 s |
(3) David |
11.6 s |
(4) Bryan |
11.9 s |
(a)
1st in the race = (2) Adam
11.1 s2nd in the race = (3) David
11.6 s3rd in the race = (4) Bryan
11.9 s4th in the race = (1) Christian
12.4 s (2) Adam was the first in the race.
(b)
Total time taken by the 4 girls
= 12.4 + 11.1 + 11.6 + 11.9
= 47 s
Average time taken by the 4 girls
= 47 ÷ 4
= 11.75 s
Answer(s): (a) 2; (b) 11.75 s