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

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

Find three numbers such that

* When we multiply three numbers, we will get the prime numbers.
* The difference between the second and the first number is equal to the third and second.

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

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

Replace the question mark with the correct number.

2 + 2= 4
3 + 3= 18
4 + 4= 48
5 + 5= ?

If a boy blows 18 bubbles,
Then pops 6 eats 7 and then
He pops 5 and blows 1.
How many are left?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

In a classic wine shop, the list of three most popular wines are:
- The cost of 1 French wine bottle: 500$
- The cost of 1 German wine bottle: 100$
- The cost of 20 Dutch wine bottles: 100$

John entered the wine shop and he needs to buy
- All three types of wine bottles.
- Needs to buy Dutch wine bottles in multiples of 20.
- Need to buy 100 wine bottles in total.

John has only 10000$. How many wine bottles of each type, John must buy?