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 21 pupils. Ahmad won a prize. What was the lowest he could have scored?
Score |
19 |
20 |
21 |
22 |
23 |
26 |
27 |
30 |
Pupils |
3 |
8 |
14 |
15 |
11 |
9 |
7 |
5 |
Score |
19 |
20 |
21 |
22 |
23 |
26 |
27 |
30 |
|
|
|
|
|
|
Winners |
Pupils |
3 |
8 |
14 |
15 |
11 |
9 |
7 |
5 |
If the winning score is 30, number of winners = 5
If the winning score is 27, number of winners = 5 + 7 = 12
If the winning score is 26, number of winners = 5 + 7 + 9 = 21
Since there are 21 winners, the lowest score that Ahmad could have scored = 26
Answer(s): 26