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

What demands an answer, but asks no questions

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

Replace all '*' with digits 1, 2, 3, 4, 5 and 6 to make below statement true.

* *
x *
=====
* * *

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

Find the missing number in the sequence below:

Can you find out the missing number in the grid?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

There is a box. The area of its top is 240 square units, the area of the front is 300 square units and the area of the end is 180 square units.

Can you calculate the dimensions of this box with the given data?

In a football game, Christina defeated Teresa by 2 - 0 but no man from either side scored. How can this be possible?