৭২৯ লিটারের মিশ্রণে দুধ এবং মধু ৭ঃ২ অনুপাতে থাকে । এই অনুপাতটি ৭ঃ৩ এ পরিবর্তন করার জন্য এতে কী পরিমাণ মধু মেশাতে হবে?
A. ৮১ লিটার
B. ৭২ লিটার
C. ৪৫ লিটার
D. ৭৩ লিটার
সঠিক উত্তরঃ
A.
৮১ লিটার
Explanation:
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