Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Ratio and Proportion
10 girls leave then the ratio of boys to girls is 2:1, when 20 boys leave then the ratio becomes 4:3, find the original ratio of boys to girls.
1
8 : 5
2
5 : 3
3
4 : 2
4
More than one of the above
5
None of the above