Chain Rule Practice Test 1 with solutions

Question : 22 of 40

Marks: +1, -0

15 persons complete a job in 3 days. How many days will 10 persons take to complete the same job?

Solution:

Persons	Days
15	3
10	x

More days, less persons (Indirect Variations)
Now ,

x/3

{15}/{10}

∴ x =

{15}/{10} × 3

9/2

4 1/2

days

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