Instructions

A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.

Question 5

127, 137, 139, ? , 151, 157, 163, 167.

Solution

The given series is an alternate series of 127, 139, 151, 163 and 137, ? , 157, 167

From second series,

137 + 10 = 147

147 + 10 = 157

157 + 10 = 167

$$\therefore\ $$The required number = 147

Hence, the correct answer is Option C

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