In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?

Create a number using only the digits 4,4,3,3,2,2,1 and 1. So i can only be eight digits. You have to make sure the ones are separated by one digit, the twos are separated by two digits the threes are separated with three digits and the fours are separated by four digits

How many triangles can you find in this given picture?

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

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

I came first on earth but second on the heaven.
I also came twice in a week but found just once in a year.
I stay away from months but you can find me in February.

What am I?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

I have teeth but i don't bite. Who Am I ?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?