Questions

A solid sphere of radius 6 cm is melted and re-casted into a hollow cylinder of uniform thickness. If the external radius of the base of the cylinder is 5 cm and its height is 32 cm, find the uniform thickness of the cylinder ?

Select the word with the correct spelling.

In the following passage some of the words have been left out. Read the passage carefully and choose the correct answer for the given blank out of the four alternatives.

We are ____ in a time of great and _____changes. The most obvious _____of the modern world is the _____development of science and technology. This has given man a deeper _____of nature.

We are ____ in a time of great

In the following question, a sentence has been given in Active/Passive voice. Out of the four alternatives suggested, select the one which best expresses the same sentence in Passive/Active voice. 
Sarla changed the curtains.

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

During a depression even the affluent middle class struggles to _______ out a living.

Select the word with the correct spelling.

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

a piece of living tissue that is transplanted surgically.

In the following question, out of the given four alternatives, select the one which best expresses the meaning of the given word.

Cruddy