4. Ramya and subha can do a piece work in 30 daysand 20 daysrespecti – InterviewSolution

1.	4. Ramya and subha can do a piece work in 30 daysand 20 daysrespectively. After "Ramya has workedone for 5 days, subha joins ne30th of them complete the work.Find the number of days Ramyaand subha have worked together
Answer» 10 daysStep-by-step explanation:1 dayramyas work = 1/20subhas work = 1/30ramyas 5 days work= 5x 1/30= 5/6ramya+subha 1 DAY work= 1/30+1/20=1/12let the no. of days worked together=a, then the EQN is....(1/12)a=5/6a=10//thank YOUHOPE this helps....

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