How many words can a pen with half refill write?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

You’ll find me on Mercury, Earth, Mars, Jupiter, Saturn, and Uranus. But never Neptune, or Venus. What am I?

How many sides does a circle have?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

Can you find the hidden animal in the picture below?

Sally lives in a place where six months of the year is mild summer and the temperature drops significantly the other six months. She owns a lake where there is a small island. She wants to build a house on the island and needs to get materials there. She doesn’t have a boat, plane, or anything to transport them to the island. How does Sally solve this problem?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

A Man gave one of his sons 10 cents and another son was given 15 cents. What time is it?
Hint: Figure out the relation between time and number, is not so easy..:)