I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

Find the missing letter in the last circle logically in the given below picture.

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

Identify Me

Hint1: I am a god
Hint 2: I am a planet
Hint 3: measurer of heat

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

A famous swimmer can swim downstream in a lake in exactly 40 minutes with the lake current.
He can swim upstream in that lake in exactly 60 minutes against the lake current.
The length of the lake is 2 km.

How long he can cover the distance of one side at a still lake with no current?

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?

The host of a game show, offers the guest a choice of three doors. Behind one is a 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?

A prisoner is told: "If you tell a lie, we will hang you and if you tell the truth, we will shoot you." What did the prisoner say to save himself?

An ape is trying to climb on a pole that is 60 feet high. Due to the slippery surface, the ape climbs 3 feet in a minute only to slip back 2 feet.

How much time do you think the monkey will take to reach the top of the pole?