Question

A,B and C can do work in 12 ,15 and 10 days respectively they started working together but after 4 days a left in how many days will B and C complete work ​

Answer 1

Answer:

Step-by-step explanation:

A=15*4=60

so, 12* dash is 60= 5

and same 10* dash is 60= 6

so after 9 days b will complete and after 10 days c will complete

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Answer 2

Answer:

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