# Count On

## Explorer

#### Puzzle of the Day

These puzzles are also printed in Eight days a week, a booklet published by the Association of Teachers of Mathematics.

Using each of the digits 1, 3, 4, 8 once and once only it is possible to make 24 four digit numbers. Find the two numbers that are divisible by 4 and not divisible by 8 or 16.

Answer: 1348 and 3148