Question
9 49 251 ? 2999
5989 What should come in place of question mark (?) in the following number series?Solution
9 × 6 – 5 = 49 49 × 5 + 6 = 251 251 × 4 – 7 = 997 997 × 3 + 8 = 2999 2999 × 2 – 9 = 5989
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