The average weight of X, Y and Z is 74 kg. If the average we - Exam Yatra

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SSC CGL Tier-2 9-March-2018 Maths-shift-1
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The average weight of X, Y and Z is 74 kg. If the average weight of X and Y be 68 kg and that of Y and Z be 78 kg, then the weight (in kg) of Y is

[SSC CGL Tier-2 9-March-2018 Maths-shift-1]

A 72

B 70

C 68

D 66

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