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

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

Accidentally, two trains are running in the opposite direction and enter a tunnel that is 200 miles long. A supersonic bird that has fled the lab and taken shelter in the tunnel starts flying from one train towards the other at a speed of 1000 mph. As soon as it reaches the second train, he starts flying back to avoid collision and meets the first train again at the other end. The bird keeps flying to and fro till the trains collide with each other.

What is the total distance that the supersonic bird has traveled till the trains collided?

What does below rebus means ?

Client Dempsey living in one of the East Coast states of the U.S. was talking to Landon Donovan, who was living in the West Coast state of the U.S.

Dempsey: What time is it?
Donovan: Wow, It is the same time here.

How is this possible?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

What has 88 keys?

Solve the equation in the image by looking at the pattern closely.

What is the fastest way to double your money?

Jenifer is learning to drive her car. She went down a one way lane and in the wrong direction. But she do not break any law.

How come ?