### daily number puzzles posted in the previous 12 months: 2017/18

# Monthly Archives: June 2018

## DAY 182:

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

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## DAY 181:

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 in each calculation, and with + – × ÷ available. The 7puzzle Challenge … Continue reading

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## DAY 180:

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) … Continue reading

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## DAY 179:

The Main Challenge You must make all three lines work out arithmetically by inserting the twelve digits 0, 1, 1, 2, 2, 3, 4, 4, 5, 6, 8 and 8 into the gaps below: ◯ + ◯ = 6 … Continue reading

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## DAY 178:

The Main Challenge Can you arrive at the target answer of 7 by using each of the numbers 0.2, 0.5, 2 and 2.5 exactly once each, and with + – × ÷ available? The 7puzzle Challenge The playing board of the 7puzzle game is a … Continue reading

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## DAY 177:

The Main Challenge If you enjoy this, click Mathelona for further details of our number puzzles. You must make all three lines work out arithmetically by inserting the twelve digits 0, 0, 1, 1, 2, 3, 3, 4, 5, 6, 6 and … Continue reading

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## DAY 176:

The Main Challenge You have been given the task of manually numbering a 100-page document from 1 to 100. What is the total of all the individual digits written? The 7puzzle Challenge The playing board of the 7puzzle game is a 7-by-7 grid of 49 … Continue reading

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## DAY 175:

The Main Challenge Three people answered four multiple choice problems each, with a choice of A B or C, and their responses are shown here: Tim: A B B C Tam: A C B A Tom: B B C … Continue reading

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## DAY 174:

The Main Challenge Read the facts below: I am a 2-digit number, I am a multiple of 7, The difference between my two digits is 4. Which number am I? The 7puzzle Challenge The playing board of the 7puzzle game is a 7-by-7 … Continue reading

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## DAY 173:

The Main Challenge When allocating each letter of the English alphabet a numerical value as follows; A=1 B=2 C=3 … Z=26, the value of the word SUM, for example, would be 19+21+13 = 53. What would be the value of … Continue reading

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