10+10 and 11+11 can give you the same answer.

Explain how?

Optical Illusion Eye Test: You Have A Brain Like Computers If You Can Spot Two B's Among R's In 8 Seconds!

On her drawing table, Sayna lit 12 coloured candles. A few seconds later she blew two candles off.

How many candles Sayna have at the end?

A sundial has the fewest moving parts of any timepiece. Which has the most?

There is a wide field of corn. A goose finds its way into the field and starts running. Can you find out till which point the goose can run into the field?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

What does this mean?
N
A
E
L
C

If 24H in a D => 24 hours in a day.
What does "64S on CB" stand for?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

A shopkeeper allows people to buy a cold drink bottle in exchange for five empty bottles. A guy had a party at home and spent 77 cold drink bottles at the party. Now he has 77 empty bottles with him.

How many bottles do you think he can buy in exchange for those 77 empty bottles?