Can you find out who is the kidnapper in below Picture and why, Explain ?

Before Mount Everest was discovered, what was the highest mountain in the world?

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

Can you place six X (crosses) in below board without making three in a row in any way ?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

In the following series, a set of numbers is progressing with a particular pattern. Can you deduce that pattern and find the missing set?

(2 + 6), (21 + 6), (58 + 6), (119 + 6), ___

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

Can you solve the maths in the below-given picture equation?

One of the leprechaun is missing if you see the two pictures attached to this question. Where did he go? When he comes back, do you know where has he been?

There was a strange boy who was born before his father. How can this be possible?