Question

What should come in place of question of mark (?) in the following number series?

40 41 86 ? 1084 5445

A 176 Correct Answer Incorrect Answer
B 136 Correct Answer Incorrect Answer
C 267 Correct Answer Incorrect Answer
D 326 Correct Answer Incorrect Answer
E 426 Correct Answer Incorrect Answer

Solution

40 × 1 + 1² = 41 41 × 2 + 2² = 86 86 × 3 + 3² = 267 267 × 4 + 4² = 1084 1084 × 5 + 5² = 5445

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