How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

Why blonde cannot dial 911?

If 1+9+8=1, what is 2+8+9?

John can place six large boxes or nine small boxes into a carton.

Can you find out in how many cartons can he place sixty-six boxes in total?

There are forty elephants and they have forty-fore heads. How can this be possible?

I am quite hot but become too cold if you remove the first two letters. What am I?

Remove two matchsticks to make the below equation correct.

A man looks at a painting in a museum and says, “Brothers and sisters I have none, but that man’s father is my father’s son.” Who is in the painting?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.