নিচের কোনটি মৌলিক সংখ্যা নয়?
ক) 31
খ) 41
গ) 51
ঘ) 61
Related Questions
ক) I know what does he wants?
খ) I know what does he wants?
গ) I know what he want?
ঘ) I know what he wants.
ক) Man is immortal
খ) Man is not mortal
গ) Everyone is not mortal
ঘ) No man is immortal
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