Questions

A cone is hollowed out of a solid wooden cube of side 7 cm. The diameter and height of the cone is same as the side of the cube. What is the volume of the remaining cube?

Barometer was invented by

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

Be on the air

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

Abeyance

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

If I had cared, (1)/ I will buy (2)/ it again. (3)/ No error (4)

Which of the following is not correctly matched?

Which of the following phrases (i), (ii), and (iii) given below each sentence should replace the phrase printed in bold letters to make the sentence grammatically correct? Choose the best option among the five given alternatives that reflect the correct use of phrase in the context of the grammatically correct sentence. If the sentence is correct as it is, mark (E) i.e., "No correction required" as the answer.
The political masters of health care system have not listened to professional health planners because it has not been profitable for them to do so.

i. Has not been profitable for them to do that things.
ii. Has been unprofitable for the professionals to do so.
iii. Has been not profitable for them to do so.

The modern periodic table consists of 18 groups and 7 periods. What is the atomic number of the element placed in the 3rd group and the 4th period?