Give it food and it will live; give it water and it will die.

Christina, Allison and Lena are 3 daughters of John a well-known Mathematician, When I asked John the age of their daughters. He replied "The current age of her daughters is prime. Also, the difference between their ages is also prime."

How old are the daughters?

Can you make a fire with just a single stick?

What number when divided in half becomes zero?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

If Bihan is 10, Anirudha is 20, and Kim and Seal are both 5, but Rikold is 10, how much is Kenniger by the same trend?

There are 3 apples in the basket and you take away 2. How many apples do you have now?

Can you Find and name the hidden bird in the picture below ?

I have eight fingers and two thumbs but I do not live. What Am I?

A landlord calls both of his sons and tells them that their horses will now decide who will transfer the inheritance. He tells them to race along the land till the end and the one whose horse will be slower will win and be the heir to all the property.

Both of them keep wandering for days but to no result. Then they ask a wise man regarding it. The man advises them on the matter after which they jump on the horses and race as fast as they can till the end. Why did they do it?

What did the wise man say?