Shiv2016 wrote:
abhimahna thank you for your reply.
When we find their efficiency for completing the work, we find it according to the amount of work given. Won't it change when the amount of work will change?
HiShiv2016 ,
Again the highlighted line is incorrect.
When we are given A can complete a work in 12 hours, his efficiency will remain the same no matter how much work is left unless you are told that A is changing his efficiency.
Since A and B have combined efficiency of 5 units/hour, it will remain
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