Can you start the fire using two pieces of wood?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

Can you make a six-letter word using the letters N, A and B ?

At a party, there are five people and a whole round cake lying at the centre of the table. Only four people will make a cut and take their piece and the last one will get the remaining piece on the table. How can they make sure that everyone gets a 1/5th of the piece?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

Can you move 2 matchsticks to form four equal sized squares.

Thirty friends were on a hiking trip when they decided to enjoy the bonfire. They assembled for it and agreed to play a game. For that, they divided themselves into five teams with seven members each, forming five rows.

How did they manage to achieve this formation?

A quarter is one-fourth of a dollar but Mr. John has changed the equation as below :

DOLLAR * 4 = QUARTER

Can you replace each letter with a digit to make the above solution correct?

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?