Questions

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.

The velocity of an object is the rate of change of its position ______ respect to a frame of reference.

Select the word with the correct spelling.

A sentence has been given in Active/Passive Voice. Out of the four given alternatives, select the one which best expresses the same sentence in Passive/Active Voice.

I bought her a computer.

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

an axe to grind

If a+b-62+a2b2+1+2b=2ab+2a, then the value of a is 

What can you hold in your left hand but not in your right?

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.
He could excel in his board exams only after _____ very hard.

Which base is present in lime water?