Questions

Why does a lower Cost Per Acquisition (CPA) not indicate a higher profit?

In which direction earth spins on its axis?

Exercise frequency refers to

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'.

The salesman tried to(A)/sell me a solar water heater(B)/but I already have one.(C)/No error(D)

What is the difference between the following declarations?

extern int fun();

int fun();

Father of Civil Service in India?

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". 
 
she thought she (have rediscovered) her real self after a long time

Improve the bracketed part of the sentence.
Bull markets, John Templeton said, are born on pessimism, grow on scepticism, mature on optimism and (die for) euphoria.