RRB NTPC CBT I 5 Jan 2021 Shift 1 Paper

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Question : 80 of 100
 
Marks: +1, -0
In the given figure, ∠ABD = 550 and ∠ACD = 300, If ∠BAC = y0 and non-relax ∠BDC = x0, then what is the value of x-y?

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