Our product and our sum always give the same answer. Who are we?

What happened when the wheel was invented?

How many words can a pen with half refill write?

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

What does below Rebus mean ?

esgg sgeg gegs gsge

Two boys wish to cross a river. The only way to get to the other side is by boat, but that boat can only take one boy at a time. The boat cannot return on its own, there are no ropes or similar tricks, yet both boys manage to cross using the boat.

How?

What is 3/7 chicken, 2/3 cat and 2/4 goat?

There are 3 apples in the basket and you take away 2. How many apples do you have now?

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 ?

A man has a barrel filled with oil that weighs 100 pounds, and then he puts something into it. Now the barrel weighs less than 100 pounds. What did he put in the barrel?