Bank Exam Government Jobs Exams Numerical Ability Sequence and Series

find worng no in

4 , 7 , 20 , 60 , 142 , 223

Read Solution (Total 1)

142

2² + 2 = 4
3² - 2 = 7
4² + 4 = 20
8² - 4 = 60
12² + 2 = 146
15² - 2 = 223
So wrong number is 142.
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