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

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

A sundial has the fewest moving parts of any timepiece. Which has the most?

He loves to dance, twist and prance, he shakes his tail, and as a way he sails, wingless he flies into the sky. What is he?

Why do you find that most of the buildings are deprived of the 13th floor?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

A few friends are enjoying their sea voyage in a boat full of apples. On the way, they felt hungry and thus decided to eat the apples. Together, they ate two dozen of apples. When they have eaten the apples, will there be any change in the water level?

Two fathers and two sons went fishing one day. They were there the whole day and only caught 3 fish. One father said, that is enough for all of us, we will have one each. How can this be possible?

In a school, there are four subjects. Seventy percent of students study English, seventy five percent of students study Science, eighty five percent of students study Mathematics and eighty percent of students study Spanish.

Can you calculate the percentage of students that study all four subjects?

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?