Questions

 The difference between exports and imports is called-? 

If quantity of good X demanded increases from 2300 to 2700 when price of good Y increases from Rs. 45 to Rs. 55, find Arc Cross elasticity of demand?

Which of the following reproduce both, sexually as well as asexually?

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.
P- And if I think about something which didn't happen I start thinking about all the other things which didn't happen.
Q- But there is only ever one thing which happened at a particular time and a particular place.
R- And there are an infinite number of things which didn't happen at that time and that place.
S- A lie is when you say something happened which didn't happen.

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best expresses the same sentence in Indirect/Direct speech.
The teacher said to the student, "Have you brought your lunch?"

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

Good reading ______ the sense of liberal educated mind.

What is the pH value of human blood?

Select the INCORRECT set of Molecular Formula - IUPAC Name - Common Name from the following options.