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Chain Rule Practice Test 2 with solutions
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© examsnet.com
Question : 19
Total: 40
39 persons can repair a road in 12 days, working 5 hours a day. In how many days will 30 persons, working 6 hours a day, complete the work?
15
14
13
10
Validate
Solution:
Persons
Hours
Days
39
5
12
30
6
x
⇒
x
12
=
5
6
×
39
30
∴ x =
5
6
×
39
30
×
12
= 13 days
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