What has a ring but no finger?

Name a key which is hardest to turn.

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 ?

What does this Rebus Picture mean?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

Eight of us go fourth, not back, to protect our king from an attack. What are we?

How do you go from 98 to 720 using just one letter?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

Take one out and scratch my head, I am now black but once was red. What am I?

Do You See It?