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ATQ, Quantity I: Time taken by Ajay to complete the entire task = {(13/25) × 100} = 52 days Let the total task be 312 units.(LCM of 52 and 24) Efficiency of 'Ajay' = (312/52) = 6 units/day Efficiency of 'Ajay' and 'Bijay' together= (312/24) = 13 units/day Number of days taken by 'Bijay' = {312/(13-6)} = (312/7) or 44(4/7) or a = 44(4/7) So, Quantity I = 44(4/7) Quantity II: Selling price = 120 - 60 = Rs. 60 Or, 'b' = 60 So, Quantity II = 60
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