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yatin kaushik

· started a discussion

· 1 Months ago

question might not be in the correct form (Question: 248562.0 )

you want to make roohafza of type Y and you have got 130 litres of soda and 80 litres of water. not you require soda and water in the ratio of 3:2 so 2x=80
x=40
3x=120
so we have got enough of material to make 40 kg of type Y and 10 litres of soda will get wasted. What is wrong in this solution ? @knowledgeexpert

Question:
On an average, two litres of soda and one litre of water are needed to be mixed to make 1 Kg of Roohafza of type X, and 3 litres of soda and 2 litres of water are needed to be mixed to make 1 Kg of Roohafza of type Y. How many kilograms of type Y of Roohafza was manufactured if it is known that 130 litres of soda and 80 litres of water were used?
Options:
A) 20 Kg 
B) 30 Kg 
C) 15 Kg 
D) 40 Kg 
Solution:

Ans: (b) 

For type ‘X’,milk : water

1 Kg =  2    :    1

Let ‘A’ Kg of quantity will be made from 130 l of

Soda and 80 l water

For ‘X’,milk :  water

‘A’ Kg = 2A   :  A

Similarly, For ‘Y’, Let B Kg of quantity will be made

milk :  water

‘B’ Kg = 3B   :  2B

Totalmilk = 130 = 2A + 3B.... (i)

Water = 80 = A + 2B .... (ii)

After solving equation (i) and (ii)

A = 20 Kg, B = 30 Kg

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