What does an Island and the letter T have in common?

What is more useful when it is broken?

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?

What is wrong in the below Picture?

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?

A boy purchased a book from a bookkeeper and gave him $100.
The cost of the book is $50 but the bookkeeper has no change, so he gets the change from the next shop and returns the boy his $50.

After some time the next shopkeeper came with the $100 note and told the bookkeeper that the note was a fraud, so he took the money back.

How much loss did the bookkeeper face?

Can you solve below mathematical equation?

2^1234 - 2^1233

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?