When Jack was six years old he hammered a nail into his favourite tree to mark his height. Ten years later at age sixteen, Jack returned to see how much higher the nail was. If the tree grew by five centimetres each year, how much higher would the nail be?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

A person was found dead on a big green land with no trees or buildings around. When the police arrived, they found a piece of rock lying next to him and the man was wearing clothes comprising of red, blue and yellow colours.

Can you tell who the person is and what was the cause of death?

Who is that with a neck and no head, two arms and no hands? What is it?

Which is the correct shadow of the bird?

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

They are three errirs in this question. Can you find them?

I am 5 letters long.
My first two tell you who I am
My first 3 could be a medicine
My last three reversed could be a young boy.
My 4th, 3rd and 2nd in that order could be a fruit drink.
If you have me you may hang me round your neck
WHAT AM I ?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?