Exams

The point or place of origin of an earthquake is called Focus. 

And,

The point where the seismic waves reach the surface is called as Epicenter.

Here the given number series is 6, 3, 3, 4.5, 10

The odd one in the given series is 10

The pattern it follows is

6

6 x 0.5 = 3

3 x  1  = 3

3 x 1.5 = 4.5

4.5 x 2 = 9

Hence, the odd number is 10.

Holkar Trophy is associated with Bridge sport.

Bridge is the ultimate tricky card game that four people can play with a pack of 52 cards. It is the greatest source of enjoyment.

History of the Holkar Trophy ::

It was a treasured dream of Late Maharaja Yeshwant Rao Holkar to have regular National Bridge Tournament at Indore for promotion of the game in the erstwhile Holkar state.

More :: Indian History Questions

In India, Islamic rulers Qutb-ud-din Aibak imposed jizya on non-Muslims first time which was called kharaj-o-jizya. Jizya was abolished by the Mughal ruler Akbar in the 16th century but was re-introduced by Aurangzeb in the 17th century.