What is the riddle which can be asked all day with a different correct answer each time.

What does this mean?

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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 ?

Can you identify the hidden rebus in the image below?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

You have to put a letter on the following to make it a meaningful word. The only challenge is that you can't use 'E'.

S E Q U E N C _

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

There are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?

Find the hidden tiger in the given optical illusion ?

Decode below rebus
D
N
A
T
S , D