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# Monthly Archives: November 2017

## DAY 335:

Today’s Challenge . . . is a tricky number puzzle from Mathematically Possible, our board game that is great for arithmetic and strategy: Using the numbers 4, 5 and 10 once each, with + – × ÷ available, can you list the … Continue reading

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## DAY 334:

Today’s Challenge . . . involves making 7 when using the four numbers 0.7, 1.6, 2 and 10 once each, and with the four arithmetical operations + – × ÷ available. Can you arrive at our signature target answer of 7? The 7puzzle Challenge … Continue reading

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## DAY 333:

Today’s Challenge Each of these three numbers is the product of three consecutive whole numbers: 120 210 336 What is the next number in this sequence? The 7puzzle Challenge The playing board of the 7puzzle … Continue reading

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## DAY 332:

Today’s Challenge If you eliminated multiples of 3, 5 and 7 from this list: 12 14 18 21 25 28 30 33 35 36 40 42 44 48 54 55 56 60 which is the ONLY number that would remain? … Continue reading

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## DAY 331:

Today’s Challenge . . . is an interesting logic puzzle for you to try. Insert the numbers 1-9 into the correct positions in this 3-by-3 grid after studying the seven clues below. Each number should appear exactly once. x … Continue reading

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## DAY 330:

Today’s Challenge . . . is a number trail involving ten arithmetical steps. You can time yourself, but more importantly be careful with your calculations. No calculators please! Start with the number 40, then: multiply by 4 +10% subtract 15 divide by … Continue reading

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## DAY 329:

Today’s Challenge . . . is a MATHELONA number puzzle where you must solve all four lines arithmetically by replacing the 16 ◯’s below with digits 0-9. Each digit 0-9 can only be inserted a maximum of TWICE in the whole puzzle: … Continue reading

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## DAY 328:

Today’s Challenge . . . will get you thinking of the 5- and 7-times tables, plus some addition. What is the total of the first SEVEN whole numbers that have a 5 or 7 as part of their number or … Continue reading

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## DAY 327:

Today’s Challenge . . . is a tricky 5puzzle-style question that’s a real mouth-watering prospect for the number puzzle enthusiast. Using the numbers 1, 2, 3, 4 and 5 once each, with + – × ÷ available, it is possible to make the … Continue reading

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## DAY 326:

Today’s Challenge Only one of the following 2-digit numbers can be divided exactly by 6. Which one? 26 34 38 44 46 50 56 62 64 74 78 86 … Continue reading

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