A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

How many words can a pen with half refill write?

Can you find the six hidden animals in the picture below?

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

Which word does the below Plexor means ?

An evil man kidnapped someone and made them take one of two pills. One was harmless, but the other was poisonous. Whichever pill the victim took, the kidnapper took the other one. The victim took their pill with water and died. The kidnapper survived. How did the kidnapper get the harmless pill?

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

What animal walks on four legs in the morning, two legs during the day, and three legs in the evening?

Oedipus, the king of Thebes, figured out the answer to the riddle: