alleryकार्ड्सची किंमत ₹8 प्रत्येकी आणि ₹12 मध्ये विकली जाते; किती जण ₹100 नफा मिळवतात?
A20
B25
C24
D30
Answer & Solution
Correct answer: B. 25
प्रत्येक कार्ड ₹12 − ₹8 = ₹4 मिळवते, म्हणून ₹100 नफ्यासाठी 25 कार्डे आवश्यक आहेत.
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