It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

What has to be broken before you can use it?

What is the fastest way to double your money?

The following question it puts forth you:

25 - 55 + (85 + 65) = ?

Then, you are told that even though you might think it's wrong, the correct answer is actually 5!

Whats your reaction to it? How can this be true?

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

Find out the number of circles in the given picture having Illusion

If,

6 / 7 = 2
3 / 9 = 7
8 / 2 = 6

Then

4 / 5 = ?

A quarter is one-fourth of a dollar but Mr. John has changed the equation as below :

DOLLAR * 4 = QUARTER

Can you replace each letter with a digit to make the above solution correct?

I have two coins.
* One of the coins is a faulty coin having a tail on both sides of it.
* The other coin is a perfect coin (heads on side and tail on other).

I blindfold myself and pick a coin and put the coin on the table. The face of the coin towards the sky is the tail.

What is the probability that another side is also tail?

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?