If 9 engineers consumes 24 metric tons of coals, when each is working 8 hours a day, how much coal will be required for 8 engines, each running 13 hours a day, it being given that 3 engines of former type consume as much as 4 engines of latter type?

Options
- 22 metric tons
- 24 metric tons
- 26 metric tons
- 28 metric tones

CORRECT ANSWER : 26 metric tons

Discussion Board
Chain rule

9*8*3/24=8*13*4/x
X=26
3 and 4 is efficiency of former and latter type..so inversely proportional

Vignesh 10-7-2023 12:07 PM

Chain rule problem

The problem is , If 9 members consumes 24 matric tones of coals like this problem was solved properly, I didn''t get above answer, please send the solution,it will help to me

Sunitha N 06-30-2021 04:48 AM

About this question

Can you explain formation of answer

Nikhil 02-8-2019 03:06 AM

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