A father's child, a mother's child, yet no one's son.

Who am I?

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

A brand new Mobile Phone was on sale at 20% as a promotional offer. By what per cent must the Mobile price be increased to sell it at the original price again?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

Through your logical capabilities, can you make 7 an even?

Can you find the 09 errors in the picture below?

Can you find the six hidden animals in the picture below?

What number do you get when you multiply all of the numbers on a telephone's number pad?

Imagine a box with two cogwheels, one big with 24 teeth and one small with 8 teeth. The big one is firmly attached to the center of the box which means it does not turn or move while the small one rotates around the big one.

How many times do you think that the smaller wheel will turn compared to the box when it turns once around the big one?