What happened when the wheel was invented?

What is the largest number you can write with just 3 digits?

I have two coins.
* One of the coins is a faulty coin having a tail on both sides of it.
* The other coin is a perfect coin (heads on side and tail on other).

I blindfold myself and pick a coin and put the coin on the table. The face of the coin towards the sky is the tail.

What is the probability that another side is also tail?

What is both possible and impossible at the same time?

How can you leave a room with two legs and return with six legs?

In the following series, a set of numbers is progressing with a particular pattern. Can you deduce that pattern and find the missing set?

(2 + 6), (21 + 6), (58 + 6), (119 + 6), ___

What does the below rebus riddle means?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

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

How is this possible?

What does the below image rebus riddle means ?