It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

A man died, leaving $10,000,000 for his widow, 5 sons and 4 daughters. Each daughter received an equal amount, each son received twice as much as a daughter, and the widow received three times as much as a son.

How much did the widow receive?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

There are 3 apples in the basket and you take away 2. How many apples do you have now?

How many triangles can you find in this given picture?

You find yourself in a strange place guarded by two guards.One of the guard always say truth while other always lies.You don't know the identity of the two.You can ask only one question to go out from there. What should you ask?

Can you replace the question mark with the correct letter?

6 + 6 + 6 = N
7 + 7 + 7 = E
8 + 8 + 8 = R
0 + 0 + 0 = ?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

I had an infinite supply of water and 5 litres and 3 litres jars.

How would you measure exactly 4 litres in the least number of steps?