Latest TCS Aptitude Question SOLUTION: In some quantity of ghee.60% is pure ghee and 40% is vanaspati.If 10kg of pure ghee is added, then the strength of vanaspati ghee becomes 20%.The original quantity was????

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In some quantity of ghee.60% is pure ghee and 40% is vanaspati.If 10kg of pure ghee is added, then the strength of vanaspati ghee becomes 20%.The original quantity was????

Asked In TCS Ritika Shrivastava (9 years ago)

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anwesha roy  (9 years ago)

let initially the quantity was X kg.
after adding 10 kg of pure ghee it becomes (X+10) kg.
now after adding pure ghee the total content of vanaspati remains constant.
so, (x+10)*(20/100)=X*40/100
x= 10 kg. (ans)

Is this solution Helpfull? Yes (15) | No   

kishor mondal  (9 years ago)

Initially, G:V=3:2
After adding 10 Kg of Pure Ghee, G:V=4:1
To maintain the proportion of V,we write the above ratio as 8:2
So,3:2 & 8:2
Therefore,Change of G=(8-3)=5
Now apply Unitary Method,
For 5 Change is 10 Kg
So,for (3+2)=5 Change is (10/5)*5=10
Ans. Original Qty was 10 Kg.

Is this solution Helpfull? Yes (5) | No (1)  

Tamal Chakraborty  (9 years ago)

Simply 10kg.
(taking X )


another way -

40% reduced to 20%. so 1/2 reduced.
so total amount = 10/(1/2) = 20
added amount = 10kg
so previous amount = 20-10 = 10Kg.

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Anibrata Hari  (9 years ago)

let the total b 100..
then pure=60 , vanaspati=40
10kg added so.. vanaspati becomes 50
20%(50)=20/100*(50)=10

so 10 is the answer

Is this solution Helpfull? Yes (1) | No   

Surit Datta  (9 years ago)

let initially the quantity was X kg.
after adding 10 kg of pure ghee it becomes (X+10) kg.
now after adding pure ghee the total content of vanaspati remains constant.
so, (x+10)*(20/100)=X*40/100
x= 10 kg

Is this solution Helpfull? Yes (1) | No (1)  

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