A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

What came first, the chicken or the egg?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

On a magical land of Mexico , all the animal in the land are rational.

There are 10 tigers and one goat.
Tiger can eat goat but since it's a magical land , the tiger who eats the goat , turns into goat and then can be eaten by the remaining tiger(s).

If we leave them for some time then how many goat and tiger will be there , when we come back ?

Begin with a word, five letters to my name,
Remove the first and last but I am the same
Take out my middle and still, I remain.
What word am I?

What does this say?

XLR8

How many times can you subtract the number two from the number fifty?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?