Questions

What is the duration of the world’s shortest X–ray laser has been successfully created by the scientists?

Which Indian won the 2014 Nobel Prize for Peace?

Gol Gumbaz was built in which century?

Who is the author of the book ­"My Experiments with Truth"?

Ashoka The Great (273–232 B.C.) was the ruler of which dynasty?

Who was the 2015 Men's Rugby World Cup Winner?

Who studied the relationship between music intervals?

Two smaller circles touch a large circle internally and pass through the center O of the larger circle. If the diameter of the bigger circle is 28 cm, thenwhat is the area of the bigger circle which is not enclosed by the two smaller circles (in sq.cm)?