Questions

If k is the largest possible real number such that p4+q4=(p2+kpq+q2)(p2-kpq+q2),then the value of k is

The Asiatic Society was established in Calcutta by ­

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.

The sound which is ______ to ears comes in the form of a melody.

In the following question, sentence given with blank is to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

My aunt wears _________ outfits to ensure she is noticed everywhere she goes.

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'.

A rainbow is cause by reflection, refraction, and dispersion (1)/ of light among water droplets resulting in a (2)/ spectrum of light appearing in the sky. (3)/No error (4)

Land covers about ______ of the earth's surface.

Under Article 352 of the Constitution of India, an emergency can be declared if security of any part of India is threatened by 1.war2.external aggression3.armed rebellion4.internal disturbanceSelect the correct answer using the code given below.

Who was the President of Indian National Congress at the time of Indian independence ?