PSLE The table shows the times taken by four students 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 students to complete the race?
Students |
Time |
(1) Christian |
14.9 s |
(2) Bryan |
13.6 s |
(3) David |
14.3 s |
(4) Adam |
14.6 s |
(a)
1st in the race = (2) Bryan
13.6 s2nd in the race = (3) David
14.3 s3rd in the race = (4) Adam
14.6 s4th in the race = (1) Christian
14.9 s (2) Bryan was the first in the race.
(b)
Total time taken by the 4 students
= 14.9 + 13.6 + 14.3 + 14.6
= 57.4 s
Average time taken by the 4 students
= 57.4 ÷ 4
= 14.35 s
Answer(s): (a) 2; (b) 14.35 s