

MCQOPTIONS
Saved Bookmarks
1. |
Alloy A contains iron and copper in ratio 4 : 5. Alloy B contains iron and copper in ratio 3 : 4. If 45 kg of alloy A and 63 kg of alloy B are mixed, then what is the final ratio of copper and iron? |
A. | 61 : 47 |
B. | 57 : 41 |
C. | 59 : 45 |
D. | 64 : 47 |
Answer» B. 57 : 41 | |