Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.

Which is faster, Heat or Cold ? Explain.

What is common among 11, 69, and 88?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

If,

6 / 7 = 2
3 / 9 = 7
8 / 2 = 6

Then

4 / 5 = ?

Can you identify if it's a murder or a suicide ?

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

John was gifted a new Hayabusa. He drove x miles at 55mph. Then he drove x+20 miles at 40mps. He drove his bike for 100 minutes. How much distance did he travel?

Can you make the number 24 by utilizing the numbers 1, 3, 4 and 6? You must use one number only one time and you can use mathematical operation symbols anytime anywhere.