Exchange ratio : বিনিময় অনুপাত;
Related Words
exchange greetings  exchange rate  exchange ratio  See Words Also In
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Appropriate Prepositions
Appoint to(নিযুক্ত করা/হওয়া): Kibria has been appointed to the post of Headmaster.
Consist of(গঠিত হওয়া): The committee consists of ten members.
Make of (কোনো উপকরণ দ্বারা সরাসরি তৈরী বোঝাতে): This necklace is made of gold.
Monument to (স্মৃতিসৌধ): The monument to your right is a popular tourist attraction.
Regard for (সম্মান): Good boys have great regard for their teachers.
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Idioms
Arm in arm (পরস্পর সম্পর্কিত বিষয়) All good people should live arm in arm with one another.
Lose heart (হতাশ হওয়া) — Do not lose heart in danger.
Out of temper (ক্রুদ্ধ): The teacher is out temper to see the overall results.
Pass away (মারা যাওয়া)— He passed away last night.
Wild goose chase (useless pursuit, পন্ডশ্রম) —Do not waste time in wild goose chase.