I have an eye but still cannot see.

Who am I?

Can you place six X (crosses) in below board without making three in a row in any way ?

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

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?

Identify The phrase in the picture.

Can you find a number that lies one third of the distance between 1/3 and 2/3?

Can you solve the photo plexer logic ?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

Find a 9-digit number, which you will gradually round off starting with units, then tenth, hundred etc., until you get to the last numeral, which you do not round off. The rounding alternates (up, down, up ...). After rounding off 8 times, the final number is 500000000. The original number is commensurable by 6 and 7, all the numbers from 1 to 9 are used, and after rounding four times the sum of the not rounded numerals equals 24.

Find the next number in the series below

21 32 54 87 131 ?