Question
Download Solution PDFSelect the number from among the given options that can replace the question mark (?) in the following series.
80, 73, 64, 53, 40, ?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFLogic : Increasing odd number series is subtracted from each number subsequently.
So,
80 - 7 = 73
73 - 9 = 64
64 - 11 = 53
53 - 13 = 40
40 - 15 = 25
Hence, "25" is the correct answer.
Last updated on Jul 14, 2025
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