Question

Find the missing number in the following number series:

60      61       57      66       ?       75       39

A 50 Correct Answer Incorrect Answer
B 48 Correct Answer Incorrect Answer
C 25 Correct Answer Incorrect Answer
D 52 Correct Answer Incorrect Answer
E None of these Correct Answer Incorrect Answer

Solution

The series is: 60 + 12 = 61 61 – 22 = 57 57 + 32 = 66 66 – 42 =  50 50 + 52 = 75 75 – 62 = 39

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