Question : Directions: Which of the following numbers will replace the question mark (?) in the given series? 58, 62, 71, 87, 112, ?
Option 1: 158
Option 2: 148
Option 3: 138
Option 4: 140
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Correct Answer: 148
Solution : Given: 58, 62, 71, 87, 112, ?
In the above-given series, add squares of natural numbers to the previous numbers to obtain the next numbers. 58 + (2) 2 = 58 + 4 = 62 62 + (3) 2 = 62 + 9 = 71 71 + (4) 2 = 71 + 16 = 87 87 + (5) 2 = 87 + 25 = 112 112 + (6) 2 = 112 + 36 = 148
So, 148 is the missing number of the series. Hence, the second option is correct.
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