Question : Directions: Select the number from the given options that can replace the question mark (?) in the following series.
482, 239, 158, 131, 122, ?
Option 1: 121
Option 2: 119
Option 3: 117
Option 4: 113
Correct Answer: 119
Solution :
Given:
482, 239, 158, 131, 122, ?
The pattern is as follows –
482 – 243 = 239
239 – (243 ÷ 3) = 239 – 81 = 158
158 – (81 ÷ 3) = 158 – 27 = 131
131 – (27 ÷ 3) = 131 – 9 = 122
122 – (9 ÷ 3) = 122 – 3 = 119
So, 119 is the missing number of the series. Hence, the second option is correct.
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