alleryप्रत्येक कार्ड की कीमत ₹8 है और ₹12 पर बेचते हैं; कितने लोग ₹100 लाभ कमाते हैं?
A20
B25
C24
D30
Answer & Solution
Correct answer: B. 25
प्रत्येक कार्ड से ₹12 − ₹8 = ₹4 की कमाई होती है, इसलिए ₹100 लाभ के लिए 25 कार्ड की आवश्यकता होती है।
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