**Each month, a new set of puzzles will be posted. Come back next month for the solutions and a new set of puzzles, or subscribe to have them sent directly to you.**

## Puzzle One

The price of an item was increased by 25% and later decreased by 25%, which makes the price of the item $375. What was the original price?

## Puzzle Two

If 3/4 is Peter’s salary is equal to 2/4 of Mary’s salary. What is Peter’s salary if Mary’s salary is £120,000?

## Puzzle Three

418 marbles are initially shared among three kids A, B and C. A got half the amount of C’s share which is 3 times B’s share. If A now wins 35 marbles from B and loses 8 marbles to B in a game of marbles how many marbles do each now have?

## Puzzle Four

There is a three-digit number. The second digit is four times as big as the third digit (no zeros) while the first digit is three less than the second digit. What is the three-digit number?

## Feedback

There are more than one way of doing these puzzles and may well be more than one answer. Please let me and others know what alternatives you find by commenting below. We also welcome general comments on the subject and any feedback you'd like to give.

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##### Last month's solutions

## ARITH-maze puzzle

Go to START and proceed through this numeric maze, following instructions until you get to the FINISH box. What number did you finish with? |

I suggest make a better sentence of puzzle # 2 : “If 3/4 is Peter’s salary is equal to..”

I suggest make a better sentence of puzzle # 2 : “If 3/4 is Peter’s salary is equal to..”