Question
7, 6, 10, 27, 104,
? What will come in place of the question mark (?) in the following series?Solution
7 × 1 – 1 = 6, 6 × 2 – 2 = 10, 10 × 3 – 3 = 27, 27 × 4 – 4 = 104, 104 × 5 – 5 = 515
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