TNPSC Group II · Aptitude and Mental Ability
Ratio, proportion, partnership and mixtures.
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Q1 · Ratio and Proportion · EASY
Two numbers are in the ratio 5:7. If 8 is added to each number, the new ratio becomes 3:4. What is the smaller of the two numbers?
Q2 · Ratio and Proportion · MEDIUM
A sum of Rs. 7400 is divided among A, B, and C in such a way that A receives half of what B receives, and B receives half of what C receives. How much does B receive?
Q3 · Ratio and Proportion · MEDIUM
In a mixture of 60 litres, the ratio of milk to water is 2:1. How much water should be added to make the ratio 1:2?
Q4 · Ratio and Proportion · HARD
A, B, and C enter into a partnership with capitals in the ratio 4:5:6. After 6 months, A increases his capital by 50%. If at the end of the year, the total profit is Rs. 43,200, what is C's share?
Q5 · Ratio and Proportion · EASY
The present ages of A and B are in the ratio 7:5. Four years ago, their ages were in the ratio 3:2. What is the present age of A?