PSLE The table shows the times taken by four students 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 students to complete the race?
Students |
Time |
(1) David |
14 s |
(2) Bryan |
14.2 s |
(3) Christian |
12.9 s |
(4) Adam |
13.8 s |
(a)
1st in the race = (3) Christian
12.9 s2nd in the race = (4) Adam
13.8 s3rd in the race = (1) David
14 s4th in the race = (2) Bryan
14.2 s (4) Adam was the second in the race.
(b)
Total time taken by the 4 students
= 14 + 14.2 + 12.9 + 13.8
= 54.9 s
Average time taken by the 4 students
= 54.9 ÷ 4
= 13.725 s
Answer(s): (a) 4; (b) 13.725 s