Why is it very easy to weigh a fish?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

If you were to put a coin into an empty bottle and then insert a cork into the neck, how could you remove the coin without taking out the cork or breaking the bottle?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

It is always ahead of me yet I can never see it. What is it?

What's the only room from which no one can enter or leave

In an Art Gallary, When the clock hit 11 am, Artist hung the painting number 30. When it struck 4 pm, he hung painting number 240 and when it struck 7:30 pm, he hung painting number 315.

Can you determine, which painting number will he hang when the time is 9:20 pm?

In a football game, Christina defeated Teresa by 2 - 0 but no man from either side scored. How can this be possible?

We have four gears with below features=> Both Gear A and D has 60 teeth=> Gear B has 40 teeth=> Gear C has 20 teeth=> Every two minutes, Gear B makes 25 full turns.What is the relative speed of Gear A and Gear B?

John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?