Questions

According to Newlands' law of Octaves, how many elements exist in nature?

If a perfectly competitive firm can increase its profits by increasing its output, then that firm's product's _____.

Who among the following has been awarded by the UNHCR Nansen Refugee Award-2017 for his crucial mediating role and efforts to help children effected by the insurgency in his country?

A body of mass 6 kg accelerates from 6 m/s to 18 m/s in 3 seconds due to the application of a force on it. Calculate the magnitude of this force (in N).

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

an arm and a leg

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

Can't judge a book by its cover

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

It is necessary, then, to keep our ____________ acts under some surveillance of attention, to pass them in review for inspection every now and _________, that we may discover possible modifications which will make them more serviceable. We need to be __________, constantly to find out better ways of doing things. Habit takes care of our standing, walking, sitting; but how many of us could _________ improve his poise and carriage if he would? Our speech has become largely automatic, but no doubt all of us might remove _____________ of enunciation, pronunciation or stress from our speaking.

might remove _____________ of enunciation,

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".

They are giving something back to the planet that (being defiled) every day in a thousand ways.