# Monthly Archives: December 2017

## DAY 356:

Today’s Challenge . . . is similar in concept to our popular arithmetic and strategy board game. Using the numbers 1, 4 and 10 once each, with + – × ÷ available, can you find the EIGHT whole numbers from 1-30 it is mathematically possible to … Continue reading

## DAY 355:

Today’s Challenge If the number sequence 1, 10, 19, 28, 37 . . . is continued, which is the only number from the following list that will appear later in the sequence? 105     115     125     … Continue reading

## DAY 354:

Today’s Challenge From the following Octaplus clues, find the values of the letters A to H, each of which contains a different whole number in the range 1-30:   A is ten lower than the value of G, but three … Continue reading

## DAY 353:

Today’s Challenge . . . is a tougher target challenge where two decimal numbers plus two double-digit numbers are present in your calculation. Using each of the numbers 0.5, 0.5, 10 and 12 once each, with the four arithmetical operations + – × ÷ … Continue reading

## DAY 352:

Today’s Challenge Follow the rules below and eliminate every number from a given list, except one. Which number will be the last one to remain? List the multiples of 10 from 10 to 100 inclusive, then eliminate: multiples of 4 … Continue reading

## DAY 351:

Today’s Challenge . . . looks straightforward enough but the numbers are written in words, perhaps a bit trickier than you think!  Add these four numbers together and write your answer in words:  Two hundred and four thousand and nine,  Seventy … Continue reading