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# Category Archives: 7puzzleblog.com

## DAY/DYDD/GIORNO/NAP 139:

The Main Challenge There are two sections below, both containing ten letters, A-J. Each letter is linked to a division calculation: Section 1 D:9÷3 H:8÷2 B:12÷3 I:8÷4 A:4÷2 E:24÷6 G:15÷5 C:20÷4 F:25÷5 J:7÷7 Section 2 I:6÷2 G:6÷3 D:10÷2 E:12÷4 J:14÷7 B:20÷5 A:18÷6 … Continue reading

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## DAY/DYDD/GIORNO/NAP 138:

The Main Challenge The two sections below both contain ten letters, A-J; each of which has a multiplication calculation assigned to it: Section 1 C:10×2 J:4×3 F:8×5 D:3×3 I:3×2 G:7×4 B:5×4 H:9×4 E:10×3 A:6×4 Section 2 B:12×2 D:6×1 G:8×3 J:5×2 … Continue reading

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## DAY/DYDD/GIORNO/NAP 137:

The Main Challenge It is possible to use seven 5’s (5 5 5 5 5 5 and 5) once each, with the four operations + – × ÷, to make all the target numbers from 1 to 5. For instance, to … Continue reading

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## DAY/DYDD/GIORNO/NAP 136:

The Main Challenge Can you arrive at the target number 55 by using the five numbers 1, 2, 3, 4 and 5 exactly once each, and with + – × ÷ available? The 7puzzle Challenge The playing board of the 7puzzle … Continue reading

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## DAY/DYDD/GIORNO/NAP 135:

The Main Challenge Here’s a number trail involving 16 arithmetical steps. Start with the number 2, then: +33 divide by seven ×3 add ten percent double this add three find the square root of this +7 1/2 of this add … Continue reading

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## DAY/DYDD/GIORNO/NAP 134:

The Main Challenge Read the following facts to work out my numerical value: I am a single digit number, If you add 6 to me I become a 2-digit number, I am an odd number, I am not a square number, … Continue reading

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## DAY/DYDD/GIORNO/NAP 133:

The Main Challenge Group these ten numbers into five pairs so that the difference between the two numbers in each pair is divisible by 7: 6 17 28 37 45 58 64 78 … Continue reading

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## DAY/DYDD/GIORNO/NAP 132:

The Main Challenge The 15 arithmetical steps below include percentage & fraction calculations as well as big additions & multiplications: Start with the number 28, then: subtract seventy-five percent +69 –4 1/2 of this square root of this ×15 multiply … Continue reading

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## DAY/DYDD/GIORNO/NAP 131:

The Main Challenge Can you insert the numbers 0 to 9 exactly TWICE each into the gaps below so all five lines work out arithmetically? ◯ + ◯ = 15 = ◯ + ◯ ◯ + ◯ … Continue reading

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## DAY/DYDD/GIORNO/NAP 130:

The Main Challenge Can you place the 12 numbers 1 1 2 2 3 3 4 4 5 6 7 and 8 into the 12 gaps below so that all four equations work out arithmetically? ◯ + ◯ = … Continue reading

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