Question
Quantitative Aptitude Question on Ratio and Proportion
Among 165 examinees in a certain school, the ratio of successful to unsuccessful students is 10: 1. If 5 more students were successful, then what would have been the ratio of successful to unsuccessful students?
A
9:2
B
41:2
C
21:2
D
31:2
Answer
31:2
Explanation
Solution
The correct answer is (D);31:2