IBPS RRB Officer Scale 1 Model Paper 8

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Directions (Qs. 71 to 75) : Equation number I and II are given. You have to solve both the questions and answer.
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Question : 71 of 80
 
Marks: +1, -0
I.2x2+23x+63=0‌‌‌‌II.4y2+19y+21=0
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