Teaching KVS Junior Secretariat Assistant (LDC) Mock Test 2022 Quantitative Aptitude Mixture Problems To Make a Mixture from Two or More Things
In 1 kg. mixture of sand and iron, 20% is iron. How much sand should be added so that the proportion of iron becomes 10% ?
1
2 kg
2
1.5 kg
3
1 kg
4
0.5 kg