Question : Directions: Which of the following numbers will replace the question mark (?) in the given series?
59, 63, 72, 88, 113, ?
Option 1: 141
Option 2: 159
Option 3: 139
Option 4: 149
Correct Answer: 149
Solution :
Given:
59, 63, 72, 88, 113, ?
Add the square of natural numbers to the previous number, to get the next number of the series –
59 + 2
2
= 59 + 4 = 63
63 + 3
2
= 63 + 9 = 72
72 + 4
2
= 72 + 16 = 88
88 + 5
2
= 88 + 25 = 113
113 + 6
2
= 113 + 36 = 149
So, 149 is the missing number. Hence, the fourth option is correct.
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