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IBPS SO Prelims Exam Model Paper 6
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© examsnet.com
Question : 112
Total: 150
In each of the following number series, the wrong number is given, find out that number.
12, 11, 20, 57, 234, 1115
1115
57
20
11
234
Validate
Solution:
The series follows the following pattern:
12 × 1 - 1 = 11
11 × 2 - 2 = 20
20 × 3 - 3 = 57
57 × 4 - 4 = 224
224 × 5 - 5 = 1115
∴ The wrong term in the series is 234.
© examsnet.com
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