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Ratio & Proportion Quiz || DUJAT 2021 || 1 September
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Question 1
If a ∶ b = 3 ∶ 4, find the value of (7a – 4b) ∶ (8a + 4b).
Question 2
A sum of Rs. 86,700 is to be divided among A, B and C in such a manner that for every rupee that A gets, B gets 90 paise and for every rupee that B gets, C gets 110 paise. B's share will be
Question 3
The ratio of the areas of two triangles ABC and PQR is 3 : 5 and the ratio of their heights is 5 : 3 . The ratio of the bases of triangles ABC to that of triangle PQR is :
Question 4
The income of A is 60% less than that of B, and the expenditure of A is equal to 60% of B’s expenditure. If A’s income is equal to 70% of B’s expenditure, then what is the ratio of the savings of A and B?
Question 5
The ratio of the monthly incomes of X and Y is 5 : 4 and that of their monthly expenditures is 9 : 7. If the income of Y is equal to the expenditure of X, then what is the ratio of the savings of X and Y?
Question 6
The students in three classes are in the ratio 4:6:9. If 12 students are increased in each class, the ratio changes to 7:9:12. Then the total number of students in the three classes before the increase is.
Question 7
The cost of making an article is divided between materials, labour and overheads in the ratio 3 : 4 : 2. If the cost of material is ₹33.60 then the cost incurred in making article is how much?
Question 8
Two jars of same capacity are 
% and 45.5% full of pomegranate juice, respectively. They are filled up completely with coconut water and then the contents of both bottles are emptied into a vessel. The percentage of coconut water in the mixture is:
% and 45.5% full of pomegranate juice, respectively. They are filled up completely with coconut water and then the contents of both bottles are emptied into a vessel. The percentage of coconut water in the mixture is:Question 9
The ratio of ages of mother and son at present is 3:1. Four years ago the ratio was 4:1. The average age of mother and son 2 years hence will be
Question 10
Two-third of the number of employees of a company are males and the rest are females. If 3/8th of the male employees and 2/5th of the female employees are temporary employees and the total number of permanent employees is 740, then 7/15th of the total number of employees exceeds the number of temporary female employees by
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