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A is twice efficient than B A and B can both work together to complete a work in 7 days Then find in how many days A alone can complete the work?
Wiki User
∙ 14y ago
10.5 days
how it comes :
if a is twice as efficient than b that means
ratio of time taken by A and B is :- 1:2
then
1/2x + 1 /x = 7
x=10.5
Wiki User
∙ 14y ago
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