alleryসংহতি A-ৰ 15 টা সদস্য আছে আৰু ই সম্পূৰ্ণৰূপে সংহতি B-ৰ ভিতৰত অৱস্থিত, যাৰ 25 টা সদস্য আছে। A বা B-ত কিমানটা সদস্য আছে?
A40
B15
C25
D10
Answer & Solution
Correct answer: C. 25
A-ৰ প্ৰতিটো সদস্য ইতিমধ্যে B-ত আছে, গতিকে সংযোগটো কেৱল B-ৰ 25 টাই হ'ব।
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