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8+4+9=21 14+5+2=21 this should be 15+5+2=22 18+1+2=21 this should be 18+1+3=23 the answer is 3 to maintain the sequence, three 3 sets of 3 numbers ,increasing by 1

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Q: What is the missing number 8 4 9 15 5 2 18 1?
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Find the missing number 8-4-9 14-5-2 18-1-blank?

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What is the missing number 1 4 7 11 15 13 17?

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What is the missing number in pattern 1 3 6 11 18 blank 42?

The number progression is n+prime numbers progressively increasing starting from 2. The missing number is 29.


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No. All three are not prime numbers. A prime number is a number that is only divisible by itself and 1. 15 can be divided by 1, 3, 5 and 15 16 can be divided by 1, 2, 4, 8 and 16 18 can be divided by 1, 2, 3, 6, 9 and 18.


What is the missing number in sequence 2 - 5 - 14 - - 122?

The sequence has the formula is 3x - 1 2 → 6 - 1 = 5 5 →15 - 1 = 14 14 →42 -1 = 41 41 → 123 - 1 = 122 The missing number is therefore 41.


What number is missing out of 2- 5- 14-122?

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What is the Common factor of 18 and 15?

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