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Maths Puzzle
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A man buys spirit at Rs 60 per litre, adds water to it and then sells at Rs 75 per litre. What is the ratio of spirit to water if his profit in the deal is 37.5%?
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- 10 : 1
If man buys 'x' liters of spirit @60 Rs/liter then cost price =60x
If 'y' liters of water is added to it, then Selling Price @75 Rs. /liter=75(x+y)
As profit is 37.5%, so selling price is 137.5% of the cost price, hence 60x*1.375=75(x+y)
82.5x=75x +75y
7.5x=75y
x/y=10
- 8 years agoHelpfull: Yes(0) No(0)
- 1:10
SP = 75, => CP = 75*(100/137.5)=600/11
water spirit
0 60 ----------actual CP
600/11 ----------------expected CP
60-600/11 : 600/11-0 -----------by criss-cross ,we get ratio
=> 60/11 :600/11
=>1:10 - 8 years agoHelpfull: Yes(0) No(0)
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