RRB NTPC CBT I 19 Jan 2021 Shift 1 Paper

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Question : 46 of 100
 
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For a room, if length and breadth are given by L= (3x + 10) m and B = (2x + 5) m and the area of 4 of its walls together is (60x + 180) sq units, then the height of the room is:
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