Prove that twice of ten is the same as twice of eleven.

The Little ant seems to be always confused. Do you know why?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

What is harder to catch the faster you run?

No matter how little or how much you use me, you change me every month. What am I?

In the given picture, you can find two letters missing. When two particular letters are placed in the missing spots, you get an eight-letter word while reading in the anti-clockwise direction. Can you find out the missing letters and the missing word eventually?

There is a shop where written:
Buy 1 for $1
10 for $2
100 for $3
I needed 999 and still only paid $3. How could this be financially viable for the shop-keeper?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

What do you call a fish without an eye?