if 5 men take an hour to dig a ditch then how long should 12 men take to dig a ditch of same type.
A- 25 minutes
B- 30 minutes
C- 28 minutes
D- 20 minutes
give proper reason for your answer
Answers
Answered by
26
Solution:- 5 man = 1 hr = 60 minutes 1 man = 60×5 = 300 minutes Now, 12 man = 300/12 = 25 minutes Hence, A) 25 minutes is right answer.
Answered by
4
Answer:
M1H1=M2H2
5*60=12*H2
H2=25 min ;
Step-by-step explanation:
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