Questions

­ Inflation exists when

Government intervention in a modern economy is useful because

The unit of power used in industry is

The theory behind stars twinkling is that

Calculate the time period (in seconds) of a sound wave of wavelength 5m travelling with a speed of 500 m/s.

In which year did Ole Romer measure the speed of light for the first time in the history?

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 scenario _________________ dramatically today. We have the ___________________ of powerful Internet monopolies that are much bigger ________________ the telcos. Not surprisingly, these companies now see the _______________ of monopoly. They would like to combine with telcos to create monopolies for their platforms, ensuring that they control the future of the Internet and freeze their competition ____________.

Not surprisingly, these companies now see the _______________ of monopoly.

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

He built the theatre as a tribute to his rootings (1)/ and the thought of it outlasting him, (2)/ would surely have given him the greatest joy. (3)/ No error. (4)