Question
?, 15, 45, 225, 1575,
14175 What will be come in place of Question marks (?) in the given number series.Solution
The given series is number × consecutive odd numbers starting from 1 15 × 1 = 15 15 × 3 = 45 45 × 5 = 225 225 × 7 = 1575 1575 × 9 = 14175
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