How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

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

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

Two boys were admitted to a school. When the headmaster asks them about their parents, they tell him that they have same parents (father and mother). On further inquiry, it turns out that they both share the same date for their birthday.

"Are you twins," ask the headmaster.
"No," replies the boys.

Is it possible?

Solve below rebus puzzle?

The ages of a father and son add up to 66.
The father's age is the son's age reversed.
How old could they be?
(3 possible solutions).

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

Replace the question mark with the correct number in the below-given picture?

There are three boxes of different sizes with three cupcakes inside each of the boxes in Christina's kitchen. At night her daughter wakes up and goes to the kitchen. She opens a box and eats all three cakes.

But in the morning Christina finds out that each box still had three cupcakes. How?

What does this rebus puzzle means ?