Monthly Archives: April 2017

DAY 121:

Today’s Challenge Read the following facts below about a particular number: I am a 2-digit even number, When my two digits are added together, they make another 2-digit even number that is also a square number. Which number am I? . … Continue reading

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DAY 120:

Today’s Challenge Your task is to make the target number of 10 by adding together five numbers. You are limited to using 1 to 5, but these can be used any number of times. One such way of making 10 … Continue reading

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DAY 119:

Today’s Challenge Using the numbers 3, 6 and 6 just once each, and with + – × ÷ available, which three of the following target numbers are NOT mathematically possible to achieve: 1     2     3     4 … Continue reading

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DAY 118:

Today’s Challenge Your task is to arrive at the target answer of 24 by using each of the numbers 2, 3, 6 and 7 exactly once each, with + – × ÷ available – but in two different ways. . The 7puzzle … Continue reading

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DAY 117:

Today’s Challenge Can you replace the 12 ◯’s below with the numbers 1, 1, 2, 2, 3, 3, 4, 5, 6, 7, 8, 10 so that all four lines work out arithmetically? ◯   +   ◯   =   … Continue reading

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DAY 116:

Today’s Challenge All of the following 3-digit numbers are divisible by 3, but only one is a multiple of 9. Which one is it? 237    276    303    336    495    528    582    660   … Continue reading

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DAY 115:

Today’s Challenge Start with the number 6, then: +2     ÷4     +1     ×4     –1     ×5     –16     ×2     –19     +1     ÷10 +7     ×4   … Continue reading

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DAY 114:

Today’s Challenge Can you replace the 12 gaps below with the 12 numbers 1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12 and 13 so that all four lines work out arithmetically? ◯   +   ◯   … Continue reading

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DAY 113:

Today’s Challenge Here is a unique 7-part question.  Firstly, answer all seven parts: (4 + 3) + (2 – 1) = ? (4 × 3) ÷ (1 × 1) = ? (4 – 3) × (2 ÷ 1) = ? (3 + 3) ÷ (2 × 1) = … Continue reading

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DAY 112:

Today’s Challenge If you multiply a mystery number by 6 and then subtract 6, the result is the same as if you first multiplied the same mystery number by 3 and then added 3. Is the value of this mystery number 1, 2, … Continue reading

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