Questions

What is the fundamental unit of amount of a substance?

If the acceleration due to gravity on the surface of earth is g, then the acceleration due to gravity on the surface of a planet whose mass is same as that of earth and radius is twice as that of earth is _________________.

In the following question, a sentence / a part of sentence is underlined. Below are given alternatives to the underlined part which may improve the sentence. Choose the correct alternative. In case no improvement is required, choose "No Improvement" option.

Usain Bolt is second to one as an athlete.

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.

Varun ate six rotis at dinner.

In the following question, out of the four alternatives, select the word opposite in meaning to the word given.

Melody

Select the odd word/letters/number/number pair from the given alternatives.

Head Quarters of U.N.O is in

If a+b+c=15 and 1a+1b+1c=71abc, then the a3+b3+c3-3abc is