A rubber ball keeps on bouncing back to 2/3 of the height from which it is dropped. Can you calculate the fraction of its original height that the ball will bounce after it is dropped and it has bounced four times without any hindrance ?

Replace the question mark with the number below given a simple math problem.

The below given figure comprises of a pattern through which you can determine the missing letter. Can you push your mind to find the pattern and add the missing letter?

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

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

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

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

There are 3 apples in the basket and you take away 2. How many apples do you have now?

I add 5 to 9 and get 2. The answer is correct, so what am I?

What part of the chicken has the most feathers?