Your job is to measure 45 minutes if you have only two cords and matches to light the cords.

1. The two cords are twisted from various materials, so their different segments can burn at different rates.
2. Each cord burns from end to end in exactly one hour.

Describe your way of measuring the 45 minutes.

What number when divided in half becomes zero?

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

How many times do a clock's hands overlap in a day ?

What can you see in the middle of March and April that you can never see in any other month?

What does this rebus mean?

O
N
C
E
TIME

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?

You are in a room with no metal objects except for two iron rods. Only one of them is a magnet.
How can you identify which one is a magnet?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

Forwards I am heavy, backward I am not. What am I?