other govt exam India Post Postman & Mail Guard Mock Test 2020 Quantitative Aptitude Number System Quick Math
The ratio of gold and silver in an alloy is 7 : 3 respectively. If the weight of the gold in the alloy is 61.6 gm. Find the weight of silver in the alloy.
1
13.2 gm
2
20.0 gm
3
26.4 gm
4
22.4 gm