Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

Can you count the number of squares in the given picture?

What has many keys but can’t open a single lock?

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

In the picture, you can see a chess board. On the top left position, the K marks a knight. Now, can you move the knight in a manner that after 63 moves, the knight has been placed at all the squares exactly once excluding the starting square?

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

What do you get if you add 2 to 100 four times?

A bus driver was heading down a street in Mexico. He went right past a stop sign without stopping, he turned left where there was a "no left turn" sign, and he went the wrong way on a one-way street. Then he went on the left side of the road past a cop car. Still - he didn't break any traffic laws. Why not?

The more you take me, the more you leave me behind.
Who Am I?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145