Self Maths Puzzle Numerical Ability

Squares on a Chess Board
How many squares are there on a chess board ... ? (1*1) to (8*8)

Read Solution (Total 2)

Self Other Question

one girl went to provision shop she brought provisions for Rs.200 she gave Rs.1000 to shop owner but he don't have change then he went to another shop for change finally he got change then he gave Rs.800 to her after that another shop owner finds which note she gave i.e duplicate then shop owner gave Rs 1000 to another shop owner then how much he loss? Open The Safe
Ludwig Bump runs the bank in Mathsville.

You have to help him, though, because he has forgotten the combination number of the safe.

Fortunately, he does remember some things about the number which may help you to help him.

· The number has four digits (eg.1234 or 9876).
· All the digits are different.
· It begins and ends with an odd number and has two even numbers in the middle.
· 19 and 519 go into it exactly.

WHAT IS THE NUMBER WHICH WILL OPEN THE SAFE?