alleryএটা অখণ্ড সংখ্যা 3-ৰে বিভাজ্য হ’ব যদি আৰু কেৱল যদিহে ইয়াৰ সকলো অংকৰ যোগফল কোনটো সংখ্যাৰে বিভাজ্য হয়?
A3
B2
C5
D7
Answer & Solution
Correct answer: A. 3
বিভাজ্যতাৰ পৰীক্ষা অনুসৰি সকলো অংকৰ যোগফল 3-ৰ গুণিতক হোৱাটো প্ৰয়োজন।
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