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.
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.
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