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.
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.
He is now very old, yet grandfather still is the _______________ head of my extended family.
In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".
Nothing (have prepared) him for a continent that was a country, and a land of terrific complexity.
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.