19. कुल 50 लीटर पानी तथा दूध के मिश्रण में इसका अनुपात 3: 2 है। तो दोनों की प्रतिशत मात्रा ज्ञात कीजिए।
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Step-by-step explanation:
let 3 : 2 = 3x, 2x
then, 3x + 2x = 50 litre
5x = 50 litre
x = 50/5
x = 10
3x = 3 x 10 = 30 litre
2x = 2 x 10 = 20 litre
3 : 2 = 30litre, 20 litre
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