Question
Download Solution PDFএকটি 11-অঙ্কের সংখ্যা 7823326867X 18 দ্বারা বিভাজ্য হলে X-এর মান কত?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFগণনা :
18 দিয়ে বিভাজ্যতা পরীক্ষা করার জন্য আমাদের 2 ও 9 দিয়ে বিভাজ্যতা পরীক্ষা করতে হবে
⇒ 7 + 8 + 2 + 3 + 3 + 2 + 6 + 8 + 6 + 7 + x = 52 + x
এখন, x = 6, 4, 8, 2 বসিয়ে
আমরা পাই,
⇒ 52 + 6 = 58
⇒ 52 + 4 = 56
⇒ 52 + 8 = 60
⇒ 52 + 2 = 54
আমরা দেখতে পাই 54 2 ও 9 উভয় দ্বারা বিভাজ্য
∴ সঠিক উত্তর 2
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