Prove that the below maths equation is true.

8 + 8 = 91

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

Can you start the fire using two pieces of wood?

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

What you cannot hold but it is yours?

What is the fastest way to double your money?

There is an exact a week gap between Christmas and New Year. Hence, It is obvious that the new year that comes right after Christmas comes on the same day of the week.

A Strange thing happened in the Year 1777. Christmas occurs on Wednesday and New Year on Monday. How is that possible?

Once upon a time, there was a castle on a square island. The entire island was surrounded by a 14m wide trench. The Romans had wanted to invade the castle and had brought a few wooden planks along with them to facilitate themselves in crossing the moat. The planks were however found to be only 13m long.

The Romans still managed to cross the trench. How did they do it?

On a bus, there is a 26-year-old pregnant lady.
A 30-year-old policeman.
A 52-year-old random woman.
And the 65-year-old driver.

Who is the youngest?

You need to arrange three 7 and mathematical symbols to form number 1?