A) 5 : 7
B) 6 : 6
C) 7 : 5
D) 14 : 13
Correct Answer: C
Solution :
Ratio of gold and copper in one alloy = 7 : 2 and the ratio d gold and copper in another alloy =7 : 11 The ratio of gold and copper in third alloy \[=14+7:4+11=21:15=7:5\]You need to login to perform this action.
You will be redirected in
3 sec