Questions

Which of the following is a tertiary activity?

In a market system, the central problems regarding how much and what to produce are solved through the coordination of economic activities brought about by ________ signals.

If quantity of good X demanded increases from 4000 units to 5000 units when price of good Y increases from Rs 75 to Rs 90, find Arc Cross elasticity of demand?

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 byselecting the appropriate option.

Being linked with nature brings joy and peace as it is the ______ of the laws of Nature.

Which of the following scientists had done some calculations for the fifth state of matter?

In the modern periodic table, which of the two periods contain 8 elements each?

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 _____ of energy in India are met from both commercial and non commercial sources. The most _____ sources of energy today are coal and natural gas, hydro
electricity and nuclear power. On the other hand, firewood, cow-dung cakes and vegetable waste etc. _____ non commercial forms of energy. While non commercial
forms of energy _____ demand, coal is the _____ source of commercial energy in India.

coal is the _____ source of commercial energy in India. 

Read each sentence to find out whether there is any grammatical error in it. The error, if any, will be in one part of the sentence. If there is no error, the answer is (E), ie ‘No error’. (Ignore the errors of punctuation, if any.)The consolation messages (A) / received on the(B)/ demise of Mrs. Malhotra (C) / speaks highly of her enormity. (D)