It is always ahead of me yet I can never see it. What is it?

How many words can a pen with half refill write?

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

There are three boxes. One is labeled "APPLES" another is labeled "ORANGES". The last one is labeled "APPLES AND ORANGES". You know that each is labeled incorrectly. You may ask me to pick one fruit from one box which you choose.

How can you label the boxes correctly?

The ages of a father and son add up to 66.
The father's age is the son's age reversed.
How old could they be?
(3 possible solutions).

The dirtier I get, the whiter I look. Who am I?

Bay of Bengal is in which state?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?