Questions

Which continent have the most number of countries?

Find the current (in A) when a charge of 500 Coulomb flows in 25 seconds.

A sentence/a part of the sentence is underlined. Four alternatives are given to the underlined part which will improve the sentence. Choose the correct alternative and click the button corresponding to it. In case no improvement is needed, click the button corresponding to “No improvement”.

Let his failure be a lesson to you all.

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

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.

Lime water turns milky when carbon dioxide is passed through it. It is due to the formation of

Asif is twice as good as workman as Bashir and together they finish a piece of work in 30 days. In how many days will Asif alone finish the work?

Number of chambers in reptiles heart?