Quantitative Aptitude - Arithmetic Ability Questions

The price of a chair is Rs. 500. It has been sold at two succesive discounts of 10% each. What is its selling price?

The height of a tower is 50√3 m. The angle of elevation of a tower from a distance 50 m from its feet is

A car takes 5 hours to cover 100 kms distance at a particular speed whereas another car takes 3 hours to reach a particular distance at the same speed. Find the distance.

The length of two parallel sides of a trapezium are 18 m and 24 m. If its height is 12 m, then what is the area (in sq.m) of the trapezium?

What is the diameter (in cm) of a sphere of surface area 6.16 sq cm?

The length, breadth and height of a cuboid are 10 cm, 6 cm and 4 cm respectively. What is the total surface area?

A cylindrical vessel of radius 7 cm is partially filled with water. By how much will the water level rise if a sphere of radius 6 cm is completely immersed in this water?

In a mixture 25 liters, the ratio of milk and water is 4:1. How many liters of milk must be added to make the ratio 16:1?