I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

I have branches, but no fruit, trunk or leaves. What am I?

Can you find the missing piece of the Porsche?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

The sum of a mother, her baby and her dog's weight is 170 Kg. How much does the baby weigh if the mother weighs 100 kg more than the combined weight of the baby and the dog, and the dog weighs 60 per cent less than the baby?

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?

A B C D E F G H

These are the letters given to you. Now you have to find out the letter that comes two to the right of the letter which is immediately to the left of the letter that comes three to the right of the letter that comes midway between the letter two to the left of the letter C and the letter immediately to the right of the letter F.

I have four wings but can't fly.
I express no emotions.
I am found on the exact spot every time you look.
I keep toiling away with a little sound.

Do you know what am I?

Move three sticks of the spiral below to form a square.