Question

Q 20 In what ratio a milkman should mix water with milk, costing Rs. 17.50 per litre so that the mature is 12[Note: Consider that the water is available free of cost]Ops. A. 03:1B. 02:5C 05:2D.05:9​

Answer 1

Step-by-step explanation:

In what ratio a milkman should mix water with milk, costing Rs. 17.50 per litre so that the mixture is 12.50 per litre [Note: Consider that the water is available free of cost]Ops. A. 03:1B. 02:5C 05:2D.05:9

• Given water to be mixed with milk costing Rs 17.50 per litre so that the mixture is worth Rs 12.50 per litre.
• So cost price of water per litre and cost price of milk per litre
• By Alligation of Mixture we have
•        
•                                                 0                                          17.50
•  After mixing price will be                             12 .50
•                                                17.50 – 12.50                        12.50 – 0
•     So we get 5 and 12.50
•    So the ratio we get will be 5 : 12.50
•                                          Or 500 / 1250
•                                              = 50 / 125
•                                              = 2 : 5
• That is we get the ratio as 2 : 5

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