Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?

If Rajina's daughter is my daughter's mom, who am I to Rajina?

You are in a land where thirty men and two women were dressed in classic black and white dresses.
They begin to fight as soon as any of them move.

Where are you?

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

Can you find the least possible number such that

If the number is divided by 3, it gives the remainder of 1;
If the number is divided by 4, it gives the remainder of 2;
If the number is divided by 5, it gives the remainder of 3;
If the number is divided by 6, it gives the remainder of 4.

The ages of a father and son add up to 66.
The father's age is the son's age reversed.
How old could they be?
(3 possible solutions).

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

Can you replace the question mark with the correct number?

A man dies of old age on his 25 birthday. How is this possible?

How many triangles can you find in this given picture?