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

How is this possible?

Name the three-letter word that can complete the below words:

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

Two girls were born to the same mother, on the same day, at the same time, in the same month and year and yet they're not twins. How can this be ?

What word is represented by this rebus?

What is the next number in the series?

15 29 56 108 208 ?

What are the 50th, 63rd and 100th numbers in the sequence below?
4, 5, 8, 8, 9, 9, 12, 13, 13, 13, 17, 18, ...

Can you move 2 matchsticks to form four equal sized squares.

I am sure no one can have two things for dinner. what are they?