Question
Download Solution PDFA juice vendor wants to cut the cost of fruit juice so that he can earn some profit. In what ratio he should mix the water in juice costing Rs 20 per glass so that the juice would be worth of Rs 15 per glass.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven
Cost of 1 glass Juice = Rs. 20
Mean price = Rs. 15
Formula used
Quantity of cheaper/Quantity of dearer = (Price of dearer - Mean price)/(Mean price - Price of cheaper)
Calculation
Cost of 1 glass of water = Rs 0
Applying the rule of allegation
Water : Juice = (20 – 15) ∶ (15 – 0)
⇒ 5 ∶ 15
⇒ 1 ∶ 3
∴ The ratio of water and juice is 1 : 3.
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