You have two rectangular wires.

Both of them have property that when you light the fire from one end , it will take 60 minutes to get completely burn.

However, they do not burn at consistent speed (i.e it might be possible 1st 20% burn in 50 minutes and 80% can burn in 10 minutes).

So how could you measure 45 minutes ?

You are stuck on an island where you have nothing. You find four pieces of paper somewhere on the island. What will be your strategy to escape from the island safely?

PS: No other resource is available to you on the island, neither can you build anything.

What has no start, end, or centre?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

Which is the rope you never skip with?

Find out which of the given views in the picture is accurately the top view of the given pyramid.

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

A number can be multiplied by multiple of nine
i.e 9 18 27 36 45 ...

and the resulting number consist of only one digit.

Can you identify the number ?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?