Aptitude and Reasoning Questions

If the radius of the cylinder is decreased by 20%, then by how much percent the height must be increased, so that the volume of the cylinder remains same?

The curved surface area of a hemisphere is 27.72 sq cm and volume is 19.404 cubic cm, find its radius?

The given table shows the number (in percent) of employees working in different departments of an organization. The table also shows the ratio of males and females and the ratio of employees living in city Z and employees living in city Y. The total number of employees in the organization are 80000.

How many employees of department A and C together are living in city Z?

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 aLogic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

Consider the given statement/s to be true and decide which of the given conclusions/assumptions can definitely be drawn from the given statement.

Statement: Irregularity is a cause for failure in exams. Some regular students fail in the examinations.

Conclusions:

I. All failed students are regular.

II. All successful students are not regular.

What is the length of diagonal, if area of a rectangle is 168 sq.cm and breadth is 7 cm?

What is the time taken by a 180 m long train running at 54 kmph to cross a man standing on a platform?

Which of the following cube in the answer figure cannot be based on the unfolded cube in the question figure?