Question
Download Solution PDFFind the next number in this series.
56, 54, 51, 46, 39, ?
This question was previously asked in
RPF Constable (2018) Official Paper (Held On 03 Feb 2019)
Answer (Detailed Solution Below)
Option 1 : 28
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RPF Constable Full Test 1
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Download Solution PDFThe logic here followed is
The series is decreasing by 2, then by 3, then by 5, then by 7, and so on. The differences between the numbers are 2, 3, 5, 7, 11, and so on (prime numbers). Therefore, the next number in the series should be 39 - 11 = 28.
Hence, the correct answer is "Option 1".
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