Can you find out which number multiplied by itself will give the output as 12345678987654321?

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

What is the largest number you can write with just 3 digits?

I have a mouth but I don't eat.
I have a bank but have no money.
I have a bed but i dont sleep.
I wave but have no hands.

Who Am I ?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

Using the clues below, what four numbers am I thinking of?

The sum of all the numbers is 31.
One number is odd.
The highest number minus the lowest number is 7.
If you subtract the middle two numbers, it equals two.
There are no duplicate numbers.

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

John bought 150 chocolates but he misplaced some of them. His Father asked him how many chocolates were misplaced.
He gave the following answer to him:
If you count in pairs, one remains
If you count in threes, two remain
If you count in fours, three remain
If you count in fives, four remain
If you count in sixes, five remain
If you count in sevens, no chocolate remains.

Can you analyze the statements and tell us how many chocolates were lost?

f you were running a race, and you passed the person in 2nd place, what place would you be in now?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?