In each of these questions a number series is given. In each series ‘’only one’’ number is wrong. Find out the ‘’wrong number’’
2, 8, 12, 20, 30, 42, 56
Instead of 8, it should be 6. Then the difference the consecutive terms will be in AP.
6-2 = 4
12-6 = 6
20-12 = 8
30-20 = 10
42-30 = 12
56-42 = 14
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