There was a strange boy who was born before his father. How can this be possible?

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?

There is something which you can be arrested for attempting but not for successfully completing.

The centre of the third figure is empty. What digit should fit inside?

I have some blue and red sock in my drawer. I have a total of 4 socks. I pick 2 socks and the chance that I get a pair of red socks is 1/2.

What is the chance of picking a pair of blue socks?

Can you make a six-letter word using the letters N, A and B ?

When 99 is considered higher than 100?

What can you deduce from the following BrainBat?

CRY
LMKI

John is 45 years older than his son Jacob. If you find similarities between their ages, both of their ages contain prime numbers as the digits. Also, John's age is the reverse of Jacob's age.

Can you find their ages?

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?