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?

There is a square piece of paper with a hole that is denoted by the circle on the top right side in the given picture. You have to cut the paper in a manner that it forms two and only two separate pieces of paper and then rearrange the pieces in a manner that the holes come in the centre of the paper.

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

With the help clues provided in the image, can you find the 5 digit key?

Can you find the missing piece of the Porsche?

The barber of Town shaves all men living in the town. No man living in the town is allowed to shave himself. The barber lives in that town. Who then shaves the barber of the town?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

The centre of the third figure is empty. What digit should fit inside?

Intelligence Agency need to break the vault but the problem is that they are not able to break the vault.

On the vault, a text is written as:

31 11 33 33 43 45
21 25
31 24 11 31 51 41

To Break the code Intelligence Agency brings a mathematician named Joseph.
Minutes later he deciphers the code.

Whats the code?

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?