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?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

A king sentenced a man to the death sentence for some crime he had committed. Known for his kindness, the king told the culprit that he had a choice to die in a way he decides.

The culprit was clever and said something that saved him from death. What method do you think he must have chosen for his death?

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

Where do you go to learn how to make ice cream?

I cannot talk, but I always reply when spoken to. What am I?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?