alleryনিচের কোনটি $4 : 5$ অনুপাতের সমতুল্য?
A$5 : 4$
B$8 : 10$
C$4 : 10$
D$5 : 8$
Answer & Solution
Correct answer: B. $8 : 10$
একটি অনুপাতের উভয় পদকে একই অশূন্য সংখ্যা দিয়ে গুণ করলে তা অপরিবর্তিত থাকে: $4 : 5 = 8 : 10$।
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