I am a prime number.
The double of myself is equal to the square of me.

which number am I?

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

A bus driver was heading down a street in Mexico. He went right past a stop sign without stopping, he turned left where there was a "no left turn" sign, and he went the wrong way on a one-way street. Then he went on the left side of the road past a cop car. Still - he didn't break any traffic laws. Why not?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

By what process could you make a 'Tea-Table' into food?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

Five thieves looted a bank and they ran away in a car. The bank staff informed the police and they began the search of their car in their jeep. They found them on a road and chased them eventually catching them. The light that is used to fill the number plate was broken on the thieves' car. Also, the headlights of the jeep police were not working. How were the police able to catch the thieves then?

What jumps when it walks and sits when it stands?

Can you count the number of matches in the picture below ?

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?