Aptitude and Reasoning Questions

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

In a rhombus _____.

The area of a semicircle is 1925 cm2. Calculate its perimeter (in cm).

If an interior of a regular polygon is 170o, then the number of sides of the polygon is

In each of the following question below are given some statements followed by some conclusions. Taking the given statements to be true even if they seem to be at variance from commonly known facts, read all the conclusions and then decide which of the given conclusion logically follows the given statements.

Statements:

I. All insects are dangerous.

II. All machines are dangerous.

Conclusions:

I. All dangerous are insects.

II. All dangerous are machines.

III. Some machines are insects.

The pie chart shows the number of students enrolled in the various engineering courses that a certain college offers. Study the diagram and answer the following questions.

The measure of the central angle of the sector representing the Electrical course is ________ degrees.

Two pipes P and Q can fill an empty tank in 25 hours and 20 hours respectively. Pipe R alone can empty the completely filled tank in 50 hours. Firstly both the pipes P and Q are opened and after 8 hours pipe R is also opened. What will be the total time (in hours) taken to completely fill the tank?

A village woman walks 2.5 km South starting from her home in search of water. She then turns West and walks 1.5 km, then she turns South and walks 0.5km, then she turns to her left and walks 1.5 km. Where is she now with respect to her home?