A salesman usually makes 25% profit on every radio he sells. During a sale, he reduces his profit margin to 20%, while his sales increases by 10%. What is the ratio of his new profit to his usual profit?
A 10:25
B 11:15
C 22:25
D 20:25
Solution
Correct Answer: Option C
অ্যাপ/ওয়েবসাইটে রুটিনভিত্তিক নিয়মিত লাইভ পরীক্ষা হচ্ছে।