A B and C can do a piece of work 10, 12 and 15days respectively how long will they take if they work together
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pls see rd sharma for correct and accurate solution
rona1:
If I had then I didn't need to ask you......
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hiii,
A------10 days
in 1 day he does = 1/10 part
B------12 days
in 1 day he does = 1/12 part
C------15 days
in 1 day he does = 1/15 part
together = (1/10 +1/12+1/15) = 15/60 = 1/4 part
work. time
1/4 -------- 1
1 ---------- x
x = 1/1/4 ×1
= 1× 4 ×1 = 4 days
hope helps
A------10 days
in 1 day he does = 1/10 part
B------12 days
in 1 day he does = 1/12 part
C------15 days
in 1 day he does = 1/15 part
together = (1/10 +1/12+1/15) = 15/60 = 1/4 part
work. time
1/4 -------- 1
1 ---------- x
x = 1/1/4 ×1
= 1× 4 ×1 = 4 days
hope helps
Thanks this helped me
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