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?

They are three errirs in this question. Can you find them?

How many times can you subtract the number two from the number fifty?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

What is next number in the pattern below:

131 517 192 123 ?

A man desired to get into his work building, however he had forgotten his code.
However, he did recollect five pieces of information
* Fifth number + Third number = 14
* The fourth number is one more than the second number.
* The first number is one less than twice the second number.
* The second number and the third number equals 10.
* The sum of all five numbers is 30.

What is the code ?

I’m orange, I wear a green hat and I sound like a parrot. What am I?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

John went to buy some expensive, foreign chocolates. He only had Rs 100 with him. When he reached the shop, he got out and know that on those chocolates, there was a 15% import duty and 5% VAT.

How much worth chocolate should he buy so that he can accommodate it in Rs 100?