Sachin bought a car with a strange 5 digit numbered plate.The water image of the number is 78633 more than my car number. All the digits of car number are distinct.

What is the original number on number plate?

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

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

How many times can you subtract the number 5 from 25?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

What's the only room from which no one can enter or leave

The host of a game show offers the guest a choice of three doors. Behind one is an expensive car, but behind the other two are goats.
After you have chosen one door, he reveals one of the other two doors behind which is a goat (he wouldn't reveal a car).

Now he gives you the chance to switch to the other unrevealed door or stay at your initial choice. You will then get what is behind that door.

You cannot hear the goats from behind the doors, or in any way know which door has the prize.

Should you stay, or switch, or doesn't it matter?