Quantitative Aptitude Mock Test 9

The ratio of A's capital to B's capital is 2:3. The ratio of C's capital to D's capital is 4:5. If the total profit is Rs. 1000, what is A's share of the profit?

If the ratio of A's speed to B's speed is 5:4, and the ratio of B's speed to C's speed is 6:5, then what is the ratio of A's speed to C's speed?

The ratio of the number of boys to the number of girls in a class is 3:2. If the number of students in the class is increased by 10, and the ratio of the number of boys to the number of girls remains the same, then what is the new number of students in the class?

A mixture of alcohol and water is in the ratio 2:1. If 10 liters of alcohol are added to the mixture, the ratio of alcohol to water becomes 5:2. How many liters of water were in the original mixture?