Subject
NSI নিয়োগ
Topic
জাতীয় নিরাপত্তা গোয়েন্দা সংস্থা (NSI) (সহকারী পরিচালক) - ০৮.১০.২০২১
A restaurant makes 20% profit after selling a set menu at a discount of 20%. What is the percentage increase of the marked price?
A restaurant makes 20% profit after selling a set menu at a discount of 20%. What is the percentage increase of the marked price?
ক)
30%খ)
20%গ)
40%ঘ)
50%Explanation
মনেকরি, প্রকৃত মূল্য = 100 টাকা এখন, বাজার মূল্য 80% = ক্রয়মূল্য 120% ⇒ বাজার মুল্য/ক্রয়মুল্য = 120%/80% ⇒ বাজার মুল্য = 120/80 × ক্রয়মুল্য = (120 × 100)/80 = 150 টাকা সুতরাং, মূল্য বৃদ্ধি = 150 - 100 = 50 টাকাRelated questions
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