Demography : জনসংখ্যা; জনতত্ত্ব;
Related Words
demo graphy  demographer  demographic  demography  See Words Also In
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Appropriate Prepositions
Conform to (নিয়মনীতি অনুসরণ করা): The employees have to conform to a strict dress code.
Derive from (উৎসারিত হওয়া): The one has been derived from the poem.
Due to (কারণে): His absence is due to illness.
Feed on (খেয়ে বাঁচা): The cow feeds on grass.
Look into (তদন্ত করা/অনুসন্ধান করা): I am looking into the matter.
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Idioms
Back and bally (জীবিকা, ভরণ পোষণ—n) Who will provide the increasing population with the required back and bally?
Easy and free (অমায়িক): The boy is easy and free, so he has many friends.
Kith and kin (নিকট আত্মীয়): He has no relation with his kith and kin.
Run a risk (ঝুকি নেয়া) — He ran a risk to save his life.
Set something right (ঠিক করা)— He will set the machine right.