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

How is this possible?

What 5-letter word typed in all capital letters can be read the same upside down?

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

Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.

In a supermarket, there is an intelligent glass pane before a refrigerating unit. This glass pane allows cherries and apples through it but does not allow grapes and Orange to pass through it.

Can you identify the rule that the glass pane is following?

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

How many letters are in the alphabet?

I have feet, but no legs. Which animal Am I?

I have teeth but i don't bite. Who Am I ?

If eleven plus two equals one, what does nine plus five equal?