A) 0.8
B) 0.5
C) 0.75
D) 0.9
Correct Answer: D
Solution :
Labourer's 1 hour's work \[=\frac{1}{50}\] Labourer's 5 hours work \[=\frac{5}{50}\] \[=\frac{1}{10}\] \[\therefore \]Remaining work \[=1-\frac{1}{10}\] \[=\frac{9}{10}=0.9\]You need to login to perform this action.
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