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Select the missing number from the given series.

81, 41.5, 42.5, 64.75, 130.5, ?, 982.75


1. 327.50
2. 327.25
3. 326.25
4. 327.65

1 Answer

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Best answer
Correct Answer - Option 2 : 327.25

The logic is as:

81 × 0.5 + 1 = 41.5

41.5 × 1 + 1 = 42.5

42.5 × 1.5 + 1 = 64.75

64.75 × 2 + 1 = 130.50

130.50 × 2.5 + 1 = 327.25

327.25 × 3 + 1 = 982.75

Hence, the missing term is 327.25.

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