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?

He does not have any heart but still, He manages to live.
If you kill him, you will eventually die but yet you kill him.
He cannot run, who is He?

Find the smallest sentence with all the English alphabet.

Can you identify the direction in which this bus is moving; left or right?

Hint: The bus is moving on the roads of London.

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

If,

20 % 5 = 24

21 % 7 = 33

42 % 6 = 67

Then;

66 % 6 = ?

If you say my name, I will no longer exist. What am I?

Name a key which is hardest to turn.

A man is lying dead in a field where no one is around. His head is split open and his legs are disfigured. Near to him, there is an unopened package. No living organism can be found anywhere at the crime scene.

How did he die?

Solve the mathematical equation in the picture below.