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10. Direct and Inverse Proportions
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Q3 of 32 Page 242

36 men can do a piece of work in 12 days. In how many days 9 men can do the same work?

Given: Number of men required to do a work in 12 days = 36

To find: Number of days required for 9 men to do the same work


Formula:


Substituting x1 = 36, y1 = 12 x2 = 9 in the formula,



Gives y2 =


∴Number of days required for 9 men to do the work is 48 days.


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Questions · 32
10. Direct and Inverse Proportions
1 2 3 4 5 6 7 8 9 10 11 1 1 1 2 3 1 2 3 4 5 6 7 8 9 10 11 1 2 3 4 5
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