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 |
15.9 s |
(2) Bryan |
14.6 s |
(3) Adam |
15.4 s |
(4) David |
15.7 s |
(a)
1st in the race = (2) Bryan
14.6 s2nd in the race = (3) Adam
15.4 s3rd in the race = (4) David
15.7 s4th in the race = (1) Christian
15.9 s (2) Bryan was the first in the race.
(b)
Total time taken by the 4 students
= 15.9 + 14.6 + 15.4 + 15.7
= 61.6 s
Average time taken by the 4 students
= 61.6 ÷ 4
= 15.4 s
Answer(s): (a) 2; (b) 15.4 s