Q: The selling price of 30 books is equal to the cost price of 45 books. Find the loss or gain percentage. 30 पुस्तकों का विक्रय मूल्य, 45 पुस्तकों के क्रय मूल्य के बराबर है। हानि या लाभ प्रतिशत ज्ञात कीजिए।
A.
50% gain/लाभ
B.
C.
50% loss/हानि
D.
Correct Answer:
Option A -
Explanations:
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