PSLE The table shows the times taken by four girls 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 girls to complete the race?
Girls |
Time |
(1) Adam |
16.2 s |
(2) Christian |
16.4 s |
(3) Bryan |
14.9 s |
(4) David |
15.4 s |
(a)
1st in the race = (3) Bryan
14.9 s2nd in the race = (4) David
15.4 s3rd in the race = (1) Adam
16.2 s4th in the race = (2) Christian
16.4 s (4) David was the second in the race.
(b)
Total time taken by the 4 girls
= 16.2 + 16.4 + 14.9 + 15.4
= 62.9 s
Average time taken by the 4 girls
= 62.9 ÷ 4
= 15.725 s
Answer(s): (a) 4; (b) 15.725 s