Questions

The ____ of a substance is defined as the mass per unit volume.

If the velocity of a body becomes two times its initial velocity, its kinetic energy becomes n times its initial kinetic energy. What is the value of n?

If 60% of the students in a school are boys and number of girls is 812, how many boys are there in the school?

What was the theme of 48th annual meeting of the World Economic Forum (WEF) which was held in Davos city?

As of 2018, who is the CEO and president of MasterCard?

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one, which best express the same sentence in Indirect/Direct speech.

"Won’t you help me to carry this suitcase?" said I to my wife.

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

A red rag to a bull

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.

_______________ the course of the development of different life-forms heredity—which, in plain English, is unconscious memory generated in the first life-form and ______________ through all the different species—is the sole factor in the ____________ of the parent properties; while adaptation to surrounding conditions and circumstances, natural selection in the struggle _____________ existence, and partner selection in the struggle of the males for ____________ are the principal factors in the differentiation of species.

the struggle of the males for ____________ are the principal factors