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বড় পুকুরিয়া খনিতে কী ধরণের কয়লা পাওয়া যায়? (What type of coal is found in Barapukuria mine?)

বড় পুকুরিয়া খনিতে কী ধরণের কয়লা পাওয়া যায়? (What type of coal is found in Barapukuria mine?) Correct Answer Bituminous

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P J- এর চেয়ে বড়; S M এর চেয়ে বড়; R S এর মতো বড় না হলেও J-এর চেয়ে বড়; M J- এর মতো বড় নয়। তাহলে সবচেয়ে ছোট কোনটি?
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বড়পুকুরিয়া খনিতে কি ধরনের কয়লা পাওয়া যায়?
'জগতের যত বড় বড় যায় বড় বড় অভিযানমাতা ভগ্নি ও বধূদের ত্যাগে হইয়াছে মহীয়ান। এ চরণে কবির কোন মানসিকতা প্রকাশিত হয়েছে?