Random sampling : যদৃচ্ছা নমুনা সংগ্রহ;
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Appropriate Prepositions
Adjacent to(সংলগ্ন): The Post Office is adjacent to my house.
Apart from(ছাড়া, ব্যতীত, দূরে): They pave apart from each other.
Apply to (কারো কাছে আবেদন করা): He applied to the principal for free admission.
Breakdown of (বিস্তারিত): Here is statistical breakdown of data.
Consent to(মত দেওয়া): The Prime Minister consented to the proposal.
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Idioms
At the top of (শীর্ষে): The boy shouted at the top of his voice.
Back and bally (জীবিকা, ভরণ পোষণ—n) Who will provide the increasing population with the required back and bally?
Learn by heart (মুখস্থ করা)— He learnt the poem by heart.
Pave the way (সুপ্রসন্ন করা) – I am sure I can pave the way for your success.
Stone’s throw (অতি নিকটে): Our school is at a stone’s throw from our house.