Question
In $80$ litres of a mixture, milk and water are in the ratio $3:1$. How much milk must be added to make the ratio $4:1$? / $80$ लीटर के एक मिश्रण में दूध और पानी $3:1$ के अनुपात में हैं। अनुपात $4:1$ करने के लिए कितना दूध मिलाना होगा?
Option 4 : $20$ litres / $20$ लीटर
Detailed Solution
सही उत्तर $20$ litres / $20$ लीटर है।
Milk $= 60$ litres and water $= 20$ litres; for ratio $4:1$ the milk must be $80$ litres, so add $80 - 60 = 20$ litres. / दूध $= 60$ लीटर और पानी $= 20$ लीटर है; $4:1$ अनुपात के लिए दूध $80$ लीटर होना चाहिए, इसलिए $80 - 60 = 20$ लीटर मिलाना होगा।
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Question:
In $80$ litres of a mixture, milk and water are in the ratio $3:1$. How much milk must be added to make the ratio $4:1$? / $80$ लीटर के एक मिश्रण में दूध और पानी $3:1$ के अनुपात में हैं। अनुपात $4:1$ करने के लिए कितना दूध मिलाना होगा?
Correct Answer: $20$ litres / $20$ लीटर
Milk $= 60$ litres and water $= 20$ litres; for ratio $4:1$ the milk must be $80$ litres, so add $80 - 60 = 20$ litres. / दूध $= 60$ लीटर और पानी $= 20$ लीटर है; $4:1$ अनुपात के लिए दूध $80$ लीटर होना चाहिए, इसलिए $80 - 60 = 20$ लीटर मिलाना होगा।