Question : Directions: Which of the following numbers will replace the question mark (?) in the given series?
232, 221, 199, ?, 122, 67
Option 1: 155
Option 2: 165
Option 3: 177
Option 4: 166
Correct Answer: 166
Solution :
Given:
232, 221, 199, ?, 122, 67
Subtract the consecutive multiples of 11 from the previous number to get the next number of the series.
232 – 11 = 221; 221 – 22 = 199; 199 – 33 = 166; 166 – 44 = 122; 122 – 55 = 67
So, 166 is the missing number of the series. Hence, the fourth option is correct.
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