Quantitative Aptitude - Arithmetic Ability Questions

A bus travels 720 km in 20 hours. Calculate its average speed in meters/second.

The average height of 30 boys out of a class of 50 is 160 cm. If the average height of the remaining boys is 165 cm, the average height of the whole class (in cm) is:

If x/y = 2/3, then what is the ratio of (3x + 2y) and (3x – y)?

The flight fare between two cities is increased in the ratio 9:11. What is the increase (in Rs) in the fare, if the original fare was Rs. 18,000?

If the radius of a circle is increased by 16%, its area increases by

Find out the odd word/letters/number/number pair from the given alternatives.

Select the odd word/letters/number/number pair from the given alternatives.

If a + b = 8 and ab = 15, then what is the value of a3 + b3?