Find the odd one out
7 , 15 , 31 , 57
Ans : 57
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Answered by
0
Answer:
sorry I don't understand your situation
Answered by
3
Step-by-step explanation:
because
here is a special series
7
7*2+1=15
15*2+1=31
31*2+1=63
therefore 57 is odd one
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