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) Christian |
15.3 s |
(2) Bryan |
15.8 s |
(3) David |
14.5 s |
(4) Adam |
14.8 s |
(a)
1st in the race = (3) David
14.5 s2nd in the race = (4) Adam
14.8 s3rd in the race = (1) Christian
15.3 s4th in the race = (2) Bryan
15.8 s (4) Adam was the second in the race.
(b)
Total time taken by the 4 students
= 15.3 + 15.8 + 14.5 + 14.8
= 60.4 s
Average time taken by the 4 students
= 60.4 ÷ 4
= 15.1 s
Answer(s): (a) 4; (b) 15.1 s