Question
Download Solution PDFপ্রদত্ত দুটি চিহ্ন ও সংখ্যার বিনিময় করলে নিম্নলিখিত কোন সমীকরণটি সঠিক হবে না নির্ণয় করুন।
- এবং ÷, 8 এবং 2
I. 5 + 7 - 8 × 4 ÷ 2 = 9
II. 3 + 8 × 4 - 2 ÷ 1 = 3
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFপ্রদত্ত সমীকরণে চিহ্ন ও সংখ্যা বিনিময় করে এবং BODMAS নিয়ম ব্যবহার করে আমরা পাই:
বিনিময়: - এবং ÷, 8 এবং 2
I. 5 + 7 - 8 × 4 ÷ 2 = 9
⇒ 5 + 7 ÷ 2 × 4 - 8 = 9
⇒ 5 + 3.5 × 4 - 8 = 9
⇒ 5 + 14 - 8 = 9
⇒ 19 - 8 = 9
⇒ 11 ≠ 9
II. 3 + 8 × 4 - 2 ÷ 1 = 3
⇒ 3 + 2 × 4 ÷ 8 - 1 = 3
⇒ 3 + 2 × 0.5 - 1 = 3
⇒ 3 + 1 - 1 = 3
⇒ 4 - 1 = 3
⇒ 3 = 3
সুতরাং, শুধুমাত্র সমীকরণ I সঠিক নয়।
সুতরাং, সঠিক উত্তর হল "বিকল্প 4".
Last updated on Jul 2, 2025
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