Quantitative Aptitude - Arithmetic Ability Questions

An object travels 24 m in 3 s and then another 15 m in 2 s. What is the average speed of the object?

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

Pipes A, B and C are attached to an empty cistern. While the first two can fill the cistern in 4 and 10 hrs, respectively, the third can drain the cistern, when filled, in 6 hrs. If all the three pipes are opened simultaneously when the cistern is half-full, how many hours will be needed to fill the cistern?

The heights of a cone and a cylinder are equal. The radii of their bases are in the ratio 2:1. The ratio of their volumes is:

Which of the following is a true statement?

 What is the value of (sin60° - 2/√3) ?

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

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