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Question : Directions: Select the number from among the given options that can replace the question mark (?) in the following series.
159, 146, ?, 120, 107, 94, 81

Option 1: 136

Option 2: 131

Option 3: 133

Option 4: 140


Team Careers360 15th Jan, 2024
Answer (1)
Team Careers360 16th Jan, 2024

Correct Answer: 133


Solution : Given:
159, 146, ?, 120, 107, 94, 81

Subtract 13 from each number to obtain the next number.
159 – 13 = 146; 146 – 13 = 133; 133 – 13 = 120; 120 – 13 = 107; 107 – 13 = 94; 94 – 13 = 81

So, the missing number of the series is 133. Hence, the third option is correct.

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