Aptitude - Chain Rule - Discussion

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Q.

If 9 engines consume 24 metric tonnes of coal, when each is working 8 hoursday, bow much coal will be required for 8 engines, each running 13hours a day, it being given that 3 engines of former type consume as much as 4 engines of latter type?  .                          
A. 24 metric tonnes B. 26 metric tonnes
C. 20 metric tonnes D. 29 metric tonnes

Answer: Option B
Explaination:

 


Discussion

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