Questions

If rsin∅ =1, rcos∅=√3, then the value of r2tan∅ is

World Wide Web was invented by ________.

“Saubhagya” scheme was launched to provide which of the following?

Which country has the largest internet users?

The method of soil conservation in which bare ground between plants is covered with layer of organic matter like straw is called?

Which one among the following is not an electro­magnetic wave?

Select the word with the correct spelling.

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

at the drop of a hat