Teaching KVS Junior Secretariat Assistant (LDC) Mock Test 2022 Quantitative Aptitude Mixture Problems
A mixture of acid and water contains 20 percent acid. When 10 litres of water is added to the mixture, then the percentage of acid becomes 15 percent. What is the original quantity of mixture ?
1
30 litres
2
25 litres
3
40 litres
4
35 litres