Question : Directions: Identify the number that does NOT belong to the following series.
34, 63, 94, 131, 172, 225
Option 1: 94
Option 2: 63
Option 3: 172
Option 4: 225
Correct Answer: 225
Solution :
Given:
34, 63, 94, 131, 172, 225
Add consecutive prime numbers starting from 29 to obtain the next number –
34 + 29 = 63; 63 + 31 = 94; 94 + 37 = 131; 131 + 41 = 172; 172 + 43 = 215
The required number is 215 instead of 225.
So, the wrong number in the series is 225. Hence, the fourth option is correct.
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