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 |
16 s |
(2) Christian |
16.6 s |
(3) Adam |
14.9 s |
(4) Bryan |
15.2 s |
(a)
1st in the race = (3) Adam
14.9 s2nd in the race = (4) Bryan
15.2 s3rd in the race = (1) David
16 s4th in the race = (2) Christian
16.6 s (4) Bryan was the second in the race.
(b)
Total time taken by the 4 students
= 16 + 16.6 + 14.9 + 15.2
= 62.7 s
Average time taken by the 4 students
= 62.7 ÷ 4
= 15.675 s
Answer(s): (a) 4; (b) 15.675 s