In one of the popular batman series movie "Batman Forever", there was a riddle that goes like "Tear me off and then scratch my head and I was red then and now I am back. Who am I?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

Which Travels Faster? Solve below famous picture riddle:

At the local model boat club, four friends were talking about their boats.

There were a total of eight boats, two in each colour, red, green, blue and yellow. Each friend owned two boats. No friend had two boats of the same colour.

Alan didn't have a yellow boat. Brian didn't have a red boat but did have a green one. One of the friends had a yellow boat and a blue boat and another friend had a green boat and a blue boat. Charles had a yellow boat. Darren had a blue boat, but didn't have a green one.

Can you work out which friend had which coloured boats?

What is the centre of gravity?

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

Using Only Five 5's and any mathematical operator make sum as 37

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

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?

What is the next number in this series?

4,12,84,3612....