Question : Two alloys consist of copper and tin. The copper-to-tin ratio in the first alloy is 1 : 3, and in the second alloy, it is 2 : 5. What ratio should the two alloys be mixed in to create a new alloy with a tin-to-copper ratio of 8 : 3?

Option 1: 3 : 5

Option 2: 4 : 7

Option 3: 3 : 8

Option 4: 5 : 11

Question : In two alloys, the ratio of Aluminium to Zinc is 5 : 6 and 3 : 5. If 242 kg of the first alloy and 144 kg of the second alloy are mixed, then the ratio of Aluminium and Zinc in the new alloy will be:

Option 1: 76 : 117

Option 2: 82 : 111

Option 3: 93 : 100

Option 4: 68 : 125

Question : A fuse wire is made of

Option 1: An alloy of tin and copper

Option 2: An alloy of tin and lead

Option 3: An alloy of tin and aluminium

Option 4: An alloy of Nickel and Chromium

Question : In a mixture of 178 litres, the ratio of water and milk is 5 : 7. How much water should be added to make the ratio of water and milk 3 : 4?

Option 1: $3 \frac{17}{24}$ litres

Option 2: $3 \frac{13}{24}$ litres

Option 3: $2\frac{11}{24}$ litres

Option 4: $2\frac{23}{24}$ litres

Question : Magnalium is an alloy of

Option 1: Aluminium and Mangnesium

Option 2: magnesium and Tin

Option 3: Aluminium and Zinc

Option 4: Manganese and Magnesium