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Q.

If the work done by Question Image men in Question Imagedays to the work done by Question Imagemen in Question Imagedays in the ratio of Question Image. Find x.

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a

7

b

9 

c

6 

d

8 

answer is D.

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Detailed Solution

Concept- Work done will be directly proportional to the number of men and days.
We will solve this problem by converting the given ratio to a linear equation.
In this problem, the ratio of the work done by different numbers of men in different numbers of days is given.
Let the work done by one man in one day be W.
Work done by Question Imagemen in one dayQuestion ImageWork done by Question Imagemen in Question Image dayQuestion ImageWork done by Question Imagemen in one dayQuestion ImageWork done byQuestion Imagemen in Question Image day Question ImageIt is given that the ratio of work done by Question Image men in Question Imagedays to that of Question Imagemen in Question ImageThe day is 9:10.
Question ImageHence, the correct answer is option 4) 8
 
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If the work done by  men in days to the work done by men in days in the ratio of . Find x.