Question

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

168      163       153       138      118      ?

A 93 Correct Answer Incorrect Answer
B 86 Correct Answer Incorrect Answer
C 100 Correct Answer Incorrect Answer
D 95 Correct Answer Incorrect Answer
E None of these Correct Answer Incorrect Answer

Solution

168 - 5 = 163 163 - 10 = 153 153 - 15 = 138 138 - 20 = 118 118 - 25 =  93

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