Questions

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

To hit the nail on the head

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

Read in order (become) wise.

In the following question, out of the four alternatives, choose the one which can be substituted for the given words/sentence.

The study of birds is known as

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.
The servant is keeping my house tidy.

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'.

That summer, elections were(A)/held at many a place(B)/without any untoward incident.(C)/No error

Find the power of a convex lens if the image formed is at a distance of 16 cm from the lens when the object is placed on the other side of the lens at 20 cm from the optical centre?

If ice floating on water in a vessel melts, the water level in the vessel _______.

ISRO has successfully launches 104 satellites in a single flight from?