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.

I know a nine-letter word having only one vowel.
Do you ?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

Prove that twice of ten is the same as twice of eleven.

Can you name an animal whose killing cannot be performed without spilling your own blood?

Assume there are approximately 5,000,000,000 (5 billion) people on Earth. What would you estimate to be the result, if you multiply together the number of fingers on every person's left hand? (For the purposes of this exercise, thumbs count as fingers, for five fingers per hand.) If you cannot estimate the number then try to guess how long the number would be.

There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?

John leaves home and then he takes three right turns. John wants to return to home but he was scared of Jacob, who is wearing a mask.

What is John Situation ?

What do you see in the given picture?