Quantitative Aptitude - Arithmetic Ability Questions

What is the reflection of the point (-0.5, 6) in the x-axis?

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

What are the co-ordinates of the centroid of a triangle, whose vertices are A(1, -5), B(4, 0) and C(-2, 2)?

The perimeter and the breadth of a rectangle are 60 cm and 14 cm respectively. Find its area (in cm²)

What is the value of [(cos 7A + cos 5A)÷(sin 7A – sin 5A)]?

A boat is sailing towards a lighthouse of height 20√3 m at a certain speed. The angle of elevation of the top of the lighthouse changes from 30° to 60° in 10 seconds. What is the time taken (in seconds) by the boat to reach the lighthouse from its initial position?

Simple interest on a certain sum of money for 3 years at 10% per annum is half the compound interest on Rs 6000 for 2 years at 10% per annum. The sum placed on simple interest is

The measure of the four successive angles of a quadrilateral are in the ratio 7 : 11 : 7 : 11. The quadrilateral is a ______.