If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

You are given four tennis balls and asked to arrange those balls in a manner that the distance between each one of them is exactly equal. How will you do it?

What is always in front of you but can’t be seen?

You have a 12 liters jug full of water. You have two empty 8 liters and 5 liters jug. How can you divide the water into two equal parts using these jugs?

Jack was having a candle light dinner with his girlfriend. Suddenly a cold gush of wind entered through the open window and three of the ten candles were extinguished. Assuming that none of the other candles were extinguished.

How many candles are they left with in the end ?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

What does this rebus picture identify?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

The doctor advised his patient to take a tablet after every fifteen minutes. He gave him five tablets in total.

How much time will he take to have all the five tablets?

What is the fastest way to double your money?