Teaching BPSC बिहार प्राथमिक (1 to 5) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Ratio and Proportion
If numbers A and B are 20% and 30% less than a third number C, respectively. What is the ratio of A to B?
1
2 : 3
2
8 : 7
3
9 : 5
4
More than one of the above
5
None of the above