Welcome to your Quantitative Aptitude Mock Test 9

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?

Hint

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?

Hint