Questions

Which layer of earth is liquid?

Who propounded the homeopathic principle of 'like cures like'?

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'.
Our office building comprises (1)/ seven floors and a restaurant at the top in an (2)/ area of about eight hundred sq. metres. (3)/ No Error (4)

___ is used to control the fission reaction rate in a nuclear reactor as it absorbs neutrons without itself getting into fissioning.

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best expresses the same sentence in Indirect/Direct speech.

He said, "This man will be waiting for you here at the lobby."

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.

Operant conditioning can be described as a learning ______ that is used to modify or change a person’s behaviour through experiences and consequences.

If a2+1=a, then the value of a3 is

The ratio of angles of a triangle are 1 : 2/3 : 3. Then the smallest angle is