Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

What does the below rebus riddle means?

Find The Odd One Out

1. FLOW
2. SNIP
3. TRAP
4. DRAW
5. BACK

How can I get the answer 24 by only using the numbers 8,8,3,3?

You can use the main signs add, subtract multiply and divide.

Can you count the number of blocks in the picture below?

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?

A man is looking at a photograph of someone. His friend asks who it is. The man replies, “Brothers and sisters, I have none. But that man’s father is my father’s son.” Who was in the photograph?

Can you find out which number multiplied by itself will give the output as 12345678987654321?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?