IBPS RRB Officer Scale 1 Model Paper 8

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Directions (Qs. 41 to 45) : In the following number series only one number is wrong. Find out the wrong number.
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Question : 41 of 80
 
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7,‌‌‌12,‌‌40,‌‌222,‌‌1742,‌‌‌17390
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