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Type the missing number in this sequence:\newline117,  115,  113,  111,  109,  _,  105117,\;115,\;113,\;111,\;109,\;\_,\;105

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Full solution

Q. Type the missing number in this sequence:\newline117,  115,  113,  111,  109,  _,  105117,\;115,\;113,\;111,\;109,\;\_,\;105
  1. Observe and Calculate: We observe that the sequence is decreasing by 22 each time. To find the missing number, we subtract 22 from the last known number in the sequence.\newlineCalculation: 109−2=107109 - 2 = 107
  2. Check Pattern: We check if the number we found fits the pattern of the sequence by adding 22 to see if we get the next known number in the sequence.\newlineCalculation: 107+2=109107 + 2 = 109
  3. Verify Sequence: We verify that the number following our found number is indeed the next number in the sequence.\newlineCalculation: 107+2=109107 + 2 = 109, which matches the known number after the missing number in the sequence.

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