Pronounced as one letter,
And written with three,
Two letters there are,
And two only in me.
I am double, I am single,
I am black blue and grey,
I am read from both ends,
And the same either way.

A wooden log balances equally on the scales when weighed with three-quarters of a pound and three-quarters of a wooden log.

Can you calculate the weight of the entire wooden log?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

If an electric train is travelling south, then which way is the smoke going?

Three ants are going up a hill, one behind the other. The last ant then says to the other ants, 'There is an ant behind me!'' How come?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

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

I don't get anymore wetter, no matter how much rain falls on me.

The more of this there is, the less you see. What is it?