Quantitative Aptitude - Arithmetic Ability Questions

In figure 'O' is the centre of a circle. The area of sector OAPB is 5/18. of the area of the circle find 'x'.

The angles of depression of two ships from the top of a light house are 60° and 45° towards east. If the ships are 300 m apart, the height of the light house is

Three solid spheres of radius 3 cm, 4 cm and 5 cm are melted and recasted into a solid sphere. What will be the percentage decrease in the surface area?

In an isosceles triangle ABC, AB = AC, XY || BC. If ∡A = 30, then ∡BXY =

On selling 120 bottles, Vijay earns profit equal to the cost price of 10 bottles. What is the profit percentage?

A regular pyramid has a square base. The height of the pyramid is 22 cm and side of its base is 14 cm. Volume of pyramid is equal to the volume of a sphere. What is the radius (in cm) of the sphere?

The length of a mirror arc is 2/9 of the circumference of the circle. Write the measure of the angle (in degrees) subtended by the arc at the centre of the circle.

An angle is thrice its complementary angle. What is the measure of the angle?