The ratio of the number of boys to the number of girls in a class is 1 : 5. The ratio of the children in the class who scored merit to those who did not score merit is 4 : 1. The ratio of the boys who scored merit to those who did not score merit is 4 : 1. What is the ratio of girls who scored merit to the girls who did not score merit?
Boys |
Girls |
Total |
1x5 = 5 u |
5x5 = 25 u |
6x5 = 30 u |
Merit |
No merit |
Total |
4x6 = 24 u |
1x6 = 6 u |
5x6 = 30 u |
Boys |
Girls |
Total |
5 u |
25 u |
30 u |
Merit |
No Merit |
Merit |
No merit |
|
4 u |
1 u |
20 u |
5 u |
30 u |
The total number of children remains unchanged. Make the total number of children the same. LCM of 6 and 5 is 30.
Girls who scored merit : Girls who did not score merit
20 : 5
4 : 1
Answer(s): 4 : 1