Questions

If 2x2+2y2=4a the find the value of 2ax2-a+2ay2-a

If X+Y=3,XY=2, find the value of X3-Y3

Which of the following mammals lay eggs?

Who is the author of the book 'Akhada: The Authorized Biography of Mahavir Singh Phogat'?

In the following question, out of the four alternatives, select the alternative which is the best substitute of the words/sentence.

Optimistic in an apparently difficult situation

In the following question, a sentence / a part of sentence is underlined. Below are given alternatives to the underlined part which may improve the sentence. Choose the correct alternative. In case no improvement is required, choose "No Improvement" option.

Forewarned is forearmed.

Winds blowing constantly in one direction in rocky deserts form

___, found in blood, is responsible for oxygen transportation.