General Knowledge Questions

An object of 1.2 cm height is placed 30 cm before a concave mirror of focal length of 20 cm toget a real image at a distance of 60 cm from the mirror. What is the height of the image formed?

Matter is classified as a

What is the name of the eighth planet discovered by NASA, circling Kepler- 90?

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.

If there is a subject of really ______________ interest and utility, it is the art of writing and speaking one's own language ___________. It is the basis of culture, as we all know; but it is infinitely more _________ that, it is the basis of business. ___________ salesman can sell anything unless he can explain the merits of his goods in effective language, or can write ___________ advertisement equally effective, or present his ideas, and the facts, in a letter.

is infinitely more _________ that, it is the basis

Polio is a disease caused by which of the following?

The Great Smog of 1952 was a severe air-pollution event which affected _______.

Martin Crowe was a cricketer of which country?

Sitara Devi is associated with ________________.