Questions

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.
Vaibhav said to me, "Has your father returned from work?"

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

To disorder or disarrange (someone's hair), typically by running one's hands through it.

Read the sentence to find out whether there is any error in it. The error, if any, will be in one part of the sentence. If the given sentence is correct as it is, the answer is ‘No error’. Ignore the errors of punctuation, if any.

Delegation is the transfer of/ authority through superior to subordinate/ at different levels/ in an organized sector.

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
To give up a throne voluntarily

Who introduced Mansabdari system in India?

Calculate the time period (in seconds) of a sound wave of wavelength 4m traveling with a speed of 500m/s

The unit of measurement of noise is

Instrument used for measuring specific gravity is called _____.