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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