A,B and C can do a piece of work in 10 days,12 days and 15 days respectively. How long will they take to finish it, if they work together?
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Answer:
1/4 hence they can do the work in 4
days
Step-by-step explanation:
A's 1 day work = 1/10
Bs 1day work=1/12 Cs 1 day work = 1/15
in 1 day they together does = 1/10 + 1/12
+1/15
10x12+12+15+15x10
10×12×15
=450/1800
=1/4 hence they can do the work in 4
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