Quantitative Aptitude - Arithmetic Ability Questions

An angle is smaller than its supplementary by 30°. What is the measure of the angle?

What is the sum of the first 13 terms of an arithmetic progression if the first term is -10 and last term is 26?

If 2sec2x - tan2x = 5 and 0° ≤ x ≤ 90°, then x = ?

What is the circumference (in cm) of a circle whose area is 616 sq cm?

The height of a cone is 24 cm and the area of the base is 154 cm2 . What is the curved surface area (in cm2) of the cone?

Curved surface area of a cylinder is 660 sq cm. If circumference of its base is 44 cm, find the volume of the cylinder?

15 years ago, Shyam was twice as old as Prbhat. Five years from now Prabhat's age will be 5/8 of Shyam's age. What is Shyam's current age?

Simple interest on a sum for 10 years is equal to 5% of the principal. In how many years interest will be equal to the principal?