John was born on March 5, 1970, in Delhi, India. Jacob was born 25 days before John. The year when they took birth, Republic Day fell on Monday.

Can you find out on what day was Jacob born?

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?

What do you get if you add 2 to 100 four times?

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?

A man is walking down a road with a basket of eggs. As he
is walking he meets someone who buys one-half of his eggs
plus one-half of an egg.
He walks a little further and meets another person who buys
one-half of his eggs plus one-half of an egg.
After proceeding further he meets another person who buys
one-half of his eggs plus one half an egg. At this point, he
has sold all of his eggs, and he never broke an egg.
How many eggs did the man have to start with?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?