Questions

A solid sphere of diameter 17.5 cm is cut into two equal halves. What will be the increase (in cm2) in the total surface area?

Whose ear Mike Tyson bite in professional boxing match in 1997 for the WBA Heavyweight Championship?

Who discovered Penicillin?

Who among the following is not a Bharat Ratna recipient?

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 _____ to the problem of air pollution in his speech.

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'.
Myself and Roshni (1)/ will take care of (2)/ the event on Sunday. (3)/ No Error (4)

The innovation theory of profit was proposed by

In 2015, the nominal rate of interest in a country was 8% and the inflation rate then was 2.5%. So real rate of interest in 2015 was