Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

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.

Can you name some countries which do not have the alphabet 'A' in them?

Why are televisions attracted to people?

Why do Chinese men eat more rice than Japanese men do ?

500 women soldiers are arranged in an array of ten rows and fifty columns in accordance with their respective heights. Now, the tallest woman from each row is asked to move out in the front. From them, the shortest one is labelled as Alpha. They are then asked to resume their original position.

Now, the shortest woman in each column is asked to come out in front. The tallest among them is labelled as Beta.

Can you find out if Alpha will be taller or Beta?

What is the next number in this series?

4,12,84,3612....

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

If we tie a Sheep to one peg, a circled grass is been eaten by the Sheep. If we tie the Sheep to two pegs with a circle on its neck, then an eclipse is eaten out of the grass by the Sheep. If we want an eclipse then we put two pegs and then put a rope in between them and the other end of the rope is tied up on the Sheep's neck.

How should we tie the peg and the Sheep so that a square is eaten out from the garden grass? We only have one Sheep rope and the peg and the rings.

No matter how little or how much you use me, you change me every month. What am I?