Questions

The functioning of a very old model pendulum clock was completely

Ozone hole is caused by chemicals like _____.

Who was the Governor-General of India duringthe‘Sepoy Mutiny’?

In the following questions, one part of the sentence may have an error. Find out which part of the sentence has an error and click the buttoncorresponding to it. If the sentence is free from error, click the "No error" option.

Although I have never seen the girl before, (A)/ I recognized her at once (B)/ from her photograph (C)/ no error (D)

Improve the bracketed part of the sentence.
The communities of ants are sometimes very large, (numbered) even upto 500 individuals: and it is a lesson to us that no one has ever yet seen quarrel between
any two ants belonging to the same community.

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.
I have kept all your old letters.

15% of an alloy was silver. If in a quantity of alloy there was 51 g of silver, what was the quantity of the other elements in the alloy?

In a cut motion, when the amount of demand is reduced by Rs 100/­ , it is known as