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?

Vin Diesel is pulling a theft and has planned to run away with all the cash kept in the safe. But the only way to open the safe is the 13 character password. He has a set of five clues given to him by a trustworthy source.

Exactly two of the below statements are false.
The password is contained within this sentence.
The password is not in this hint.
The password is within only one of these statements.
At least one of the above statements is a lie.

What number comes next in this sequence:
7 8 5 5 3 4 4 _

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

Check out the number list below and find what number comes next in the sequence.

111 , 113 , 117 , 119 , 123 , 137 , ?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

Jim has three close friends at his school: Michael, John and Alice. Two of them play football, two play basketball and two play hockey. The friend who does not play hockey does not play basketball as well. The friend who does not play football does not play hockey.

Can you identify which sport/s is played by which person?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?