if there is one man less to do a certain work then the number of days required to complete the work would be one more. if the initial number of man-days required to complete the work is 72. how many worked initially ?
a) 18
b) 35
c) 9
d) 60
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Answer:
Explanation:
Originally let there be x men.
Less men, More days (Indirect Proportion)
Therefore, (x-10) : x :: 100 :110
=> (x - 10) * 110 = x * 100 => x= 110
Subject: Chain Rule - Quantitative
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