Latest Inrhythm Aptitude Question SOLUTION: In what ratio must water mixed with milk to gain 20% by selling the mixture at cost price

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In what ratio must water mixed with milk to gain 20% by selling the mixture at cost price

Asked In Inrhythm swetha (9 years ago)

Unsolved Read Solution (4)

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Read Solution (4) :

aman  (9 years ago)

Ratio of milk : Water= 5:1 or ratio of water:milk =1:5

Let milk be 100₹ for 1000 ml
To hv profit of 20% we has to sell it at 120₹
So he had 200 ml if water which is free of cost
So now for milk seller c.p of 1200ml of mixture is 100₹ but customer will take it at 120₹ (1000ml for 100₹)
So milk =1000 nd water =200
Milk : Water = 1000/200
Milk : Water = 5:1

Another mehod is alligation milk of 1₹ water of 0₹ to have 20% profit he has to sell mixture at 1.2₹ so by allegation milk :water = 1/0.2 = 5 : 1

Is this solution Helpfull? Yes (4) | No (5)  

srilekha  (8 years ago)

let milk price rs 1 per ltr
gain is 20%
then
c.p of 1 ltr mixture is (100/120)*1=5/6

water milk
0 1
5/6
1-5/6 5/6-0
ratio is 1/6:5/6
ans= 1:5

Is this solution Helpfull? Yes (1) | No   

A.Aparna  (8 years ago)

20
sum to n terms is equal to 1000

Is this solution Helpfull? Yes | No (4)  

ManideepSai Miryala  (8 Months ago)

let us assume
for 1 litre milk,the cost is 100rs
for 100ml the price is 10rs
to get 20% gain,he should sell at 120 rs
instead of selling at 120,he has to reduce 20rs by adding 20rs worth milk with water
20rs milk quantity is 200ml,so 200ml water is added
then the water to milk ratio is 200:1000
the required ratio is 1:5

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