Questions

Find the acceleration (in m/s2) of a body which accelerates from 10 m/s to 20 m/s in 4 seconds.

Give an example of a salt which gives an aqueous solution of pH less than 7.

The headquarters of RBI is in

Which of the following is related to the Tinkathiya Pratha?

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

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

That which cannot be put out

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.
They renovated the restaurant in 2017.

Improve the bracketed part of the sentence.
Would it be impolite (to be asked) why they are leaving?