Questions

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
A speech or a presentation made without previous preparation.

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'.
On Sundays (1)/ I prefer reading (2)/ than going out visiting my friends. (3)/ No Error (4)

What is the action of dry HCl gas on dry litmus paper?

Name the Russian chemist who stated that the properties of elements are a periodic function of their atomic masses?

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

Discretion is the greater part of valour

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.

As one of the most misunderstood practices, yoga has often borne the brunt of being __________ in extremes: of yogis in pretzel-like contortions at __________ end of the spectrum, and young Instagram-led, erstwhile-overweight beach posers ____________ the other. The truth is that yoga is what you want it to be — the ultimate customisable exercise form. For a runner, it may mean lengthening muscles to gain _______________, while for someone who is hyper-flexible, it could be a way of __________core strength.

yogis in pretzel-like contortions at __________ end of the spectrum

Acceleration is

Calculate the work done by the force of gravity when a satellite moves in an orbit of radius 40,000 km around the earth.