Question : Directions: Which of the following numbers will replace the question mark (?) in the given series?
27, 32, 42, 57, 77, 102, 132, ?
Option 1: 172
Option 2: 167
Option 3: 149
Option 4: 158
Correct Answer: 167
Solution :
Given:
27, 32, 42, 57, 77, 102, 132, ?
In the above-given series, add multiples of 5 to the previous number to get the next number.
27 + 5 = 32, 32 + 10 = 42, 42 + 15 = 57, 57 + 20 = 77, 77 + 25 = 102, 102 + 30 = 132, 132 + 35 = 167
So, 167 is the missing number of the series. Hence, the second option is correct.
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