Question
The ratio of number of girls to number of boys is 3 : 2 in a class of 60 students. The average marks scored by the boys in Physics is 72 and the average marks scored by the whole class in Physics is 81. What is the average mark in Physics scored by girls?
More Ratio Questions
- The ratio of the present ages of M and N is 6:5. After 15 years, the ratio of their ages will be 9:8. Find the ratio of their ages 10 years ago.
- ‘P’, ‘Q’ and ‘R’ divide a certain amount among themselves. The average of their shares is Rs. 4860. Share of ‘P’ is 12(1/2)% more than share of ‘Q’ and 25%...
- The ratio of the ages of A and B is 3:5. If the difference between their ages is 10 years, what is the sum of their ages?
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- A sum of money is divided between Arvind and Manish in a 2:3 ratio. If the total amount distributed had been increased by 10%, Arvind’s share would have be...
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- If, ‘x’ varies directly as ‘y’, and when x = 56, y = 28, then find the value of ‘x’, when ‘y’ = 40.
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