railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Mixture Problems To Make a Mixture from Two Mixtures
100 kg of an alloy A is mixed with 140 kg of alloy B. If alloy A has lead and tin in the ratio 2 ∶ 3, and alloy B has tin and copper in the ratio 4 ∶ 1, then the amount of tin in the new alloy is∶
1
158 kg
2
162 kg
3
170 kg
4
172 kg