# Category Archives: 7puzzleblog.com

## day/dydd 185 at 7puzzleblog.com

The Main Challenge Your task is to arrive at the target answer of 7 when using each of the numbers 0.7, 2, 7 and 10 exactly once each, with + – × ÷ available. The 7puzzle Challenge The playing board of the 7puzzle game is … Continue reading

## day/dydd 182 at 7puzzleblog.com

The Main Challenge Can you place the 12 digits 0 1 1 2 3 4 5 5 6 7 9 and 9 into the gaps below so that all three lines work out arithmetically? ◯  +  ◯    =   … Continue reading

## day/dydd 181 at 7puzzleblog.com

The Main Challenge Your task is to arrive at the target numbers 66, 77, 88 and 99 by using the five numbers 1, 2, 3, 4 and 5 once, and with + – × ÷ available in each calculation. The 7puzzle … Continue reading

## day/dydd 180 at 7puzzleblog.com

The Main Challenge This is a continuation of a number puzzle, posted on DAY 10, made famous by French writer, George Perec. In that challenge, we asked you to use seven 7’s (7, 7, 7, 7, 7, 7 and 7) once … Continue reading

## day/dydd 126 at 7puzzleblog.com

The Main Challenge You have SIX each of 7puzzleland‘s brand-new 4p and 7p coins. Your task is to try and make various amounts from 20p and above with these coins. As shown here, the first few have been done for you: 20p … Continue reading

## day/dydd 125 at 7puzzleblog.com

The Main Challenge Using the numbers 3, 4 and 5 just once each, and with + – × ÷ available, only FOUR of the numbers on the list below are possible to achieve. Which ones are they? 1    3  … Continue reading

## day/dydd 124 at 7puzzleblog.com

The Main Challenge A palindromic number is a number that can be read the same forwards and backwards (e.g. 333 and 797).  How many palindromic numbers are there between 100 and 1,000? The 7puzzle Challenge The playing board of the 7puzzle game is … Continue reading

## day/dydd 123 at 7puzzleblog.com

The Main Challenge From the numbers 1-30 inclusive, delete: multiples of 5 factors of 36 numbers containing a ‘7’ prime numbers even numbers Which is the only number that remains? The 7puzzle Challenge The playing board of the 7puzzle game is a … Continue reading

## day/dydd 122 at 7puzzleblog.com

The Main Challenge Find the sum of the first SEVEN whole numbers that has a 3 or 5 as part of their number OR are multiples of 3 or 5. The 7puzzle Challenge The playing board of the 7puzzle game is a 7-by-7 grid containing … Continue reading

## day/dydd 121 at 7puzzleblog.com

The Main Challenge Read the following facts below about a particular number:  It is a 2-digit number,  It is an even number,  When the two digits are added together they make another 2-digit even number that is also a square number. … Continue reading