I make two people out of one. What am I?

What Time Should the last watch show in the below figure?

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?

What Deficiency does the below rebus represent?

VIT_MIN

Can you identify if it's a murder or a suicide ?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

Every words stands for unique digit that makes the arithmetic equation true

SEVEN + SEVEN + SIX = TWENTY.

What are the digits ?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

You are given a cube that is made with the help of 10x10x10 smaller cubes summing up to a total of 1000 smaller cubes. You are asked to take off one layer of the cubes.
How many remain now?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??