Quantitative Aptitude - Arithmetic Ability Questions

The line parallel to the BC of the triangle ABC divides the other two sides at the point D and E in such a way that AB=3AD. Calculate the ratio of DE and BC.

What is the reflection of the point (-1 , 3) in the line x = -4?

Two tangents PA and PB are drawn to a circle of centre O in such a way that angle AOB = 120 deg. Calculate the value of angle APB.

The area of a rectangle is 448 sq.m. If the length is more than the breadth by 12%, find the breadth.

The LCM of 48 and 54 is

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

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?

The volume of a right circular cone, with a base radius the same as its altitude, and the volume of a hemisphere are equal. The ratio of the radii of the cone to the hemisphere is