Iron is 9 times heavier than Copper and Zinc is 23 times as heavy as Copper. What should be the ratio of Iron and Zinc in the new mixture to get a mixture which must be 13 times as heavy as Copper?

Question

নিচের অপশন গুলা দেখুন

• 1 : 3
• 5 : 2
• 4 : 3
• 7 : 5

Answer 1

সঠিক উত্তর হচ্ছে: 5 : 2