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) David |
11.5 s |
(2) Adam |
10.9 s |
(3) Bryan |
11.2 s |
(4) Christian |
10.2 s |
(a)
1st in the race = (4) Christian
10.2 s2nd in the race = (2) Adam
10.9 s3rd in the race = (3) Bryan
11.2 s4th in the race = (1) David
11.5 s (1) David was the last in the race.
(b)
Total time taken by the 4 students
= 11.5 + 10.9 + 11.2 + 10.2
= 43.8 s
Average time taken by the 4 students
= 43.8 ÷ 4
= 10.95 s
Answer(s): (a) 1; (b) 10.95 s