16men are able to complete a piece of work in 12days working 14 hours a day . How long will 28 men , working 12hours a day, take to complete the work?
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8 days
Explanation
Formula=m1 *d1*h1=m2*d2*h2
16=m1
12=d1
14=h1
28=m2
the value of d2 is not given so we can use x in the place of d2
12=h2
then
16*12*14 = 28 * x *12
= 2688 = 336x
=2688/335= x
= 8 = x
so, d2 = 8
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