Question
5 ? 205 823 7405
29623 What should come in place of the question mark (?) in the following number series?Solution
5 × 4 + 3 = 23 23 × 9 - 2 = 205 205 × 4 + 3 = 823 823 × 9 - 2 = 7405 7405 × 4 + 3 = 29623
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