PSLE The table shows the number of pupils with the following scores. A higher score means a better performance. Prizes were given to the top 11 pupils. Jeremy won a prize. What was the lowest he could have scored?
Score |
10 |
13 |
16 |
17 |
18 |
20 |
22 |
25 |
Pupils |
1 |
6 |
13 |
14 |
9 |
6 |
3 |
2 |
Score |
10 |
13 |
16 |
17 |
18 |
20 |
22 |
25 |
|
|
|
|
|
|
Winners |
Pupils |
1 |
6 |
13 |
14 |
9 |
6 |
3 |
2 |
If the winning score is 25, number of winners = 2
If the winning score is 22, number of winners = 2 + 3 = 5
If the winning score is 20, number of winners = 2 + 3 + 6 = 11
Since there are 11 winners, the lowest score that Jeremy could have scored = 20
Answer(s): 20