Question
In the following question, select the wrong number from
the given alternatives . 53, 60, 74, 95, 123, 155Solution
The pattern followed here is: 53 + 7 = 60 60 + 14 = 74 74 + 21 = 95 95 + 28 = 123 123 + 35 = 158 ≠155 So, the wrong number in the series is ‘155’.
The average of 10 numbers is 102. The average of the first 5 numbers is 78 and the average of the last 4 numbers is 46. What is the 6th number?
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