I am an odd number. Take away a letter and I become even. What number am I?

You need to move three matchsticks to form three squares. Can you do it?

Take number 1000 and then add 20 to it.
Now add 1000 one more time.
Now add 30.
Now add 1000 one more time.
Now add 40.
Now add 1000 one more time.
Now add 10.

What is the total?

Suppose you are sitting in an interview and the interviewee asks you an aptitude question.

You have three buckets with a capacity of 4 litres, 8 litres and 10 litres and you have a large tank of water. Now you have to measure 3 litres of water precisely using those buckets. How will you do it?

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

Can you start the fire using two pieces of wood?

What is the Surname of Barbie Doll?

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

My location can be determined by the below rebus.
So where am i ?

A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?