Exchange ratio : বিনিময় অনুপাত;
Related Words
exchange greetings  exchange rate  exchange ratio  See Words Also In
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Appropriate Prepositions
Agree with, on, to(একমত হওয়া): My father agreed with me on this point, but he did not agree to my proposal to set up a canteen.
Bark at(ঘেউ ঘেউ করা): The dog is barking at the strange woman.
By heart (মুখস্থ): Kamal learnt to poem by heart.
Hostile to (বিরোধী বা বিরূপ ভাবাপন্ন): Nobody is hostile to you.
Make up of (গঠিত): Village is made up of many homes.
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Idioms
Follow the footsteps of (পায়ে পায়ে অনুসরণ করা): People always follow the footsteps of some great man.
Lion’s share (বড় মাপের অংশ): He took the lion’s share of the profit.
Look into something (তদন্ত করা- investigate) - The manager looked into the matter.
Run short (কমতি পড়া) —I ran short of money.
White color job – (উচ্চ শ্রেনীর চাকরি, যেখানে শারীরিক কাজ নেই বললেই চলে- a job without manual labour) - He wants a white color job.