Textile Engineering > GATE 2009 > Blowroom
A blowroom is having five machines. The total cleaning efficiency for first four machines is 40%. The cleaning efficiency of the last machine is 30%. The overall cleaning efficiency (%) of the blowroom is
A
70
B
64
C
58
D
52

Correct : c

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Related Topics

blowroom cleaning efficiency GATE Textile Engineering 2009 textile engineering gate machines cleaning efficiency overall efficiency calculation GATE 2009 Textile multiple machine efficiency efficiency calculation gate

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