You are mixing a mixture of cement and Sand with five gallons of water. You have a garden hose giving you all the water you need. The problem is that you only have a four-gallon bucket and a seven-gallon bucket and neither has graduation marks. Find a method to measure five gallons.

In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.

Can you find the thief by just looking at the picture below?

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different. How do you measure 45 minutes?

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

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

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

What Is It?

What do you call a fish without an eye?