Teaching Jharkhand (JSSC) PRT (1 to 5) Mock Test 2023 Quantitative Aptitude Mixture Problems To Make a Mixture from Two Mixtures
A mixture contains copper and tin in the ratio 7 : 3. The tin required to be melted with 21 kg of copper is:
1
9 kg
2
10 kg
3
8 kg
4
11 kg