Bay of Bengal is in which state?

In a competitive exam, each correct answer could win you 10 points and each wrong answer could lose you 5 points. You sat in the exam and answered all the 20 questions, which were given in the exam.
When you checked the result, you scored 125 marks on the test.

Can you calculate how many answers given by you were wrong?

You are in a room with no metal objects except for two iron rods. Only one of them is a magnet.
How can you identify which one is a magnet?

At a party, there are five people and a whole round cake lying at the centre of the table. Only four people will make a cut and take their piece and the last one will get the remaining piece on the table. How can they make sure that everyone gets a 1/5th of the piece?

13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one 'four of a kind?

Find The Missing Number In the Sequence.
6 25 64 ? 32 1

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

What do you call a fish without an eye?

Solve the following series:
AZ, GT, MN, __, YB