Question : Directions: Select the number from among the given options that can replace the question mark (?) in the following series.
222, 254, 227, 249, 232, 244, ?
Option 1: 237
Option 2: 239
Option 3: 235
Option 4: 242
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Correct Answer: 237
Solution :
Given:
222, 254, 227, 249, 232, 244, ?
Add and subtract 5 alternatively from the given terms to obtain the next alternate term.
222 + 5 = 227; 254 – 5 = 249; 227 + 5 = 232; 249 – 5 = 244; 232 + 5 = 237
So, 237 is the missing number of the given series. Hence, the first option is correct.
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