As shown in the image, the nine Dogs are square fenced. By constructing just two square fences can you make sure that two Dogs cannot meet each other without crossing the fence?

I have branches, but no fruit, trunk or leaves. What am I?

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 ?

A man calls his dog from the opposite side of a river. The dog crosses the river without a bridge or a boat and manages to not get wet. How is this possible?

Forwards I am heavy, backward I am not. What am I?

Can you find the six hidden animals in the picture below?

13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one 'four of a kind?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

Can you make four (4) nines (9) equal 100?

Can you solve below mathematical equation?

2^1234 - 2^1233