Questions

If (secA - tanA)2 = x, then the value of x is

Edward Jenner discovered vaccine for which of the following disease?

Who discovered Penicillin?

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 population of Mumbai(A)/is greater than(B)/in any city in USA.(C)/No error(D)

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 postman travelled by the cycle, often wading through (1)/ swamps or passed through jungles (2)/in order to reach the villages (3)/ No error (4)

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 evolutionary history of penguins (1)/ is well-researched and represents a showcase of (2)/ evolution bio geography. (3)/ No error (4)

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".

I wouldn’t (has dared) to venture into such a scene.

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.

The need

A : the highways has

B : been felt over the years

C : to curb drunken driving on