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?

After a heavy Thanksgiving meal, the night watchman went to work. In the morning, he told his boss he had dreamed that a saboteur planted a bomb in the factory and that he felt it was a warning. The boss promptly fired him. Worker confused, Why boss fire him?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

I am a type of room you cannot enter or leave. Raised from the ground below, I could be poisonous or a delicious treat. What am I?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

Our product and our sum always give the same answer. Who are we?

What is red and smells like blue paint?

How many triangles are there on the puzzle below?