1.
In the following number series only one number is wrong. Find the wrong number.20 10 12 15 30 75 225
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By: anil on 05 May 2019 01.36 am
The series progresses as follows:
20*0.5 = 10
10*1 = 10
10*1.5=15
15*2 = 30
30*2.5 = 75 and so on.
12 is the wrong term in the series.
Hence, option C is the right answer.
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20*0.5 = 10
10*1 = 10
10*1.5=15
15*2 = 30
30*2.5 = 75 and so on.
12 is the wrong term in the series.
Hence, option C is the right answer.