A can do 50% more work than b in same time b can finish a work in 30 days.b starts working and worked for 12 days when a joins him. How many days should a and b together should work to complete the work
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a is 50%more than b so let b be 1/2a the number of remaining days are 18 so a +b is 18 therefore 1/2a +a = 18 ,1.5a=18 no of days = 12
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