What happened when the wheel was invented?

Can you count the number of triangles in the given picture?

Which part of London exists in France as well ?

Find the next number in the sequence

5 12 24 36 ?

You can find some missing letters in the picture. By placing two particular letters in the spaces, you can form a nine lettered word beginning from one of the corners and going clockwise direction to the middle. Can you find out the letters and the word?

What has lots of eyes, but can’t see?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

What does the below rebus puzzle mean?

Can you find a number that lies one third of the distance between 1/3 and 2/3?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?