What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

There is a place where if I stand up straight, I will still be considered sideways.

In front of you, there are 9 coins. They all look absolutely identical, but one of the coins is fake. However, you know that the fake coin is lighter than the rest, and in front of you is a balance scale. What is the least number of weightings you can use to find the counterfeit coin?

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

I have a mouth but I don't eat.
I have a bank but have no money.
I have a bed but i dont sleep.
I wave but have no hands.

Who Am I ?

Whats the next number in the below number sequence pattern.

John's five friends Rachel, Jacob, Phoebe, Joey and Chandler live on the same road.

Rachel lives in the house: A, Jacob lives in the house: B, Phoebe lives in the house: C, Joey lives in the house:D, Chandler lives in the house: E

Mathematically
B*C*D = 1260
B + C + D = 2E
2A = E

The road numbers run from 2 to 222.

Can you tell me the house number of each of John's friends?

Where do fish keep their money?

Which Burger Is Different in below image?