

MCQOPTIONS
Saved Bookmarks
1. |
Gold is 19 times as heavy as water and copper is 9 times as heavy as water. In what ratio should these be mixed to get an alloy 15 times as heavy as water ? |
A. | 1 : 1 |
B. | 1 : 2 |
C. | 2 : 3 |
D. | 3 : 2 |
Answer» E. | |