alleryদশটি নোটবুকের দাম ₹300 মোট এবং বিক্রি ₹36 প্রতিটিতে; নোটবুক প্রতি লাভ?
A₹6
B₹3
C₹12
D₹9
Answer & Solution
Correct answer: A. ₹6
প্রতিটি নোটবুকের দাম ₹300 ÷ 10 = ₹30 এবং ₹36 − ₹30 = ₹6 লাভ হয়।
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