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  1. 16 men are able to complete a piece of work in 12 days working 14 hours a day. How long will 28 men, working 12 hours a day, take to complete the work ?
    1. 10 days
    2. 7 days
    3. 8 days
    4. 6 days
Correct Option: C

Using Rule 1,

28 : 16
: : 12 : x
12 : 14

⇒ 28 × 12 × x =16 × 14 × 12
⇒ x =
16 × 14 × 12
= 8 days
28 × 12



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