If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

f you were running a race, and you passed the person in 2nd place, what place would you be in now?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

I am a word of 12 alphabets.

* Alphabets 12, 4, 7, 2, 5 : Eastern beast of burden
* Alphabets 1, 8, 10, 9 are street made famous by Sinclair Lewis.
* Alphabets 11, 3, 6 are past.

On whole it means a person suffering from delusions of greatness.

What Is it ?

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

John and Jacob are twin brothers. One of them is a liar whereas the other one is a truth-teller.

I called their home number and one of them picked up.
I asked. 'Does John lie?' The person replied with a yes.

Whom did I talk with, John or Jacob?

Solve the puzzle by telling what does below picture means.

What can go up a chimney down, but can’t go down a chimney up?