PSLE The table shows the times taken by four girls to complete a race.
- Who was the third 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) David |
11.3 s |
(2) Adam |
13.2 s |
(3) Christian |
12.7 s |
(4) Bryan |
12 s |
(a)
1st in the race = (1) David
11.3 s2nd in the race = (4) Bryan
12 s3rd in the race = (3) Christian
12.7 s4th in the race = (2) Adam
13.2 s (3) Christian was the third in the race.
(b)
Total time taken by the 4 girls
= 11.3 + 13.2 + 12.7 + 12
= 49.2 s
Average time taken by the 4 girls
= 49.2 ÷ 4
= 12.3 s
Answer(s): (a) 3; (b) 12.3 s