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
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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