30.
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?
A. 10 B. 13
C. 14 D. 15
Answer: Option B
Explanation:
Let
the required number of days be x.
Less
persons, More days (Indirect Proportion)
More
working hours per day, Less days (Indirect Proportion)
Title :
Chain Rule Q30
Description : 30. 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 t...
Rating :
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