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.

How can one talk without saying a single word?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

I add 5 to 9 and get 2. The answer is correct, so what am I?

John was drowned by he was not wet. How?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

What common phrase is represented by the below lines

Easy going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Medium going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Tough going:
Weak, 'I can't do it, I'm staying!'
Tough, 'Let's get going.'

What does this rebus means ?

You are on a Boat in the mid of a river. You have two cigarettes with you. One of these two you have to light, how will you light the cigarette?