Question
Juli and Rahul can simultaneously finish the work of
painting a room in 12 days. If Juli alone can paint the room in 20 days, in how many days can Rahul alone complete the same work of painting the room?Solution
Juli +RahulJuliRahul 1220 60 532 The efficiency of Juli and Rahul =5 The efficiency of alone Juli =2 Efficiency of Alone Rahul =5-3=2 Time =60/2=30days.
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