Question

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

22 9 12 13 33 ?

A 82.5 Correct Answer Incorrect Answer
B 71.5 Correct Answer Incorrect Answer
C 60.9 Correct Answer Incorrect Answer
D 58.5 Correct Answer Incorrect Answer
E None of these Correct Answer Incorrect Answer

Solution

22 × 0.5 – 2 = 9 9 × 1 + 3 = 12 12 × 1.5 – 5 = 13 13 × 2 + 7 = 33 33 × 2.5 – 11 = 71.5

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