Question

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

166        156       136      ?      66       16

A 118 Correct Answer Incorrect Answer
B 106 Correct Answer Incorrect Answer
C 128 Correct Answer Incorrect Answer
D 110 Correct Answer Incorrect Answer
E None of these Correct Answer Incorrect Answer

Solution

166 – 10 = 156 156 – 20 = 136 136 – 30 =  106 106 – 40 = 66 66 – 50 = 16

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