Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Percentage
How much pure alcohol must be added to 16500 ml of a solution containing 25% of alcohol to change the concentration of alcohol in the mixture to 80%
1
15488
2
5289
3
45375
4
More than one of the above
5
None of the above