Question : Study the table given below and answer the question that follows.
The table below shows the total number of students studying different subjects in a college and the percentage of boys and girls.
| Subject | Number of Students | Percentage of Girls | Percentage of Boys |
| Hindi | 110 | 60 | 40 |
| English | 70 | 50 | 50 |
| Physics | 50 | 30 | 70 |
| Chemistry | 40 | 80 | 20 |
| Mathematics | 80 | 20 | 80 |
| Computers | 90 | 40 | 60 |
What is the ratio of the total number of girls in all the subjects to that of boys in all the subjects?
Option 1: 5 : 6
Option 2: 7 : 9
Option 3: 6 : 7
Option 4: 2 : 3
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Correct Answer: 5 : 6
Solution :
The total number of girls in all the subjects
= 60% of 110 + 50% of 70 + 30% of 50 + 80% of 40 + 20% of 80 + 40% of 90
= 66 + 35 + 15 + 32 + 16 + 36
= 200
Number of boys in all the subjects
= Total students – Number of girls in all the subjects
= 440 – 200 = 220
So, the required ratio = 200 : 240 = 5 : 6
Hence, the correct answer is 5 : 6.
Related Questions
Question : Study the table given below and answer the question that follows.
The table below shows the total number of students studying different subjects in a college and the percentage of boys and girls.
The table below shows the total number of students studying different subjects in a college and the percentage of boys and girls.
