Questions

Which of the following is added to iron to make iron hard and strong?

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'.
Are not your father (1)/ and your elder brother (2)/ out of town? (3)/ No Error (4)

In the process of ___, the iron is protected by a coating of zinc.

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

Lorenz curve shows

Which level does macroeconomics focus on?

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'.
The population of Mumbai(A)/is greater than(B)/in any city in USA.(C)/No error(D)

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

The teacher said to the boys, "Can you sit still and do you work?"