I have two coins.
* One of the coins is a faulty coin having a tail on both sides of it.
* The other coin is a perfect coin (heads on side and tail on other).

I blindfold myself and pick a coin and put the coin on the table. The face of the coin towards the sky is the tail.

What is the probability that another side is also tail?

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?

In the image below, can you find the value of an angle(y)

What does this mathematical rebus means ?

There is one four-digit whole number n, such that the last four digits of n2 are the original number n

A man had five children. He had $100 with him to give to his children. He decided to start with the youngest child and then give $2 more than each younger child to his next elder child.

For example, if he gives $x to the youngest child, he will give $(x+2) to the next one, $[(x+2) + 2] to the next one and so on.

Can you find out how much did the youngest one receive?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

Using Only Five 5's and any mathematical operator make sum as 37

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

What number divided by 4 is the same as that number minus 4?