Quantitative Aptitude - Arithmetic Ability Questions

If ax - 4y = -6 has a slope of -3/2. What is the value of a?

Two trains are moving in the same direction at the speed of 23 km/hr and 77 km/hr. The time taken by faster train to cross a man sitting in the slower train is 40 seconds. What will be the length (in metres) of the faster train?

At what point does the line 2x - 3y = 6 cuts the X axis?

The average weight of 25 bags is 55 kg. The weight of one bag was misread as 65 instead of 56. Find the correct mean value.

In the given figure, PQ is the diameter of the circle. What is the measure (in degrees) of QSR?

The radius of a hemisphere is 21 cm, what is its volume? (Take π = 22/7)

A certain principal is invested in a scheme of compound interest. The amount obtained after 1 year is Rs 2400 and the amount obtained after 2 years is Rs 2880. What is the rate of interest (in percentage)?

From the top of a tower 60 mts high the angle of depression of the top and bottom of a pole are observed to be 45° and 60° respectively. If the pole and tower stand on the same plane, the height of the pole in meters is