What does this Rebus Picture mean?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

Solve below popular number sequence
314 159 265 358 979 323 846 ?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

A woman is sitting in her hotel room and hears a knock at the door. She opens the door to see a man whom she’s never met before. He says, “I’m sorry, I have made a mistake, I thought this was my room.” He then goes down the corridor and into the elevator. The woman goes back into her room and calls security. What made the woman so suspicious of the man?

Why do you find that most of the buildings are deprived of the 13th floor?

There is a number which when you multiply by 3 and subtract 2 from the result, then the resulting number is the reverse of the actual number.

What is the smallest number that stands true on the statement?