Question
Download Solution PDFশ্রেণিক 2:39:40 টায় একটি বাল্ব চালু করে এবং একই দিনে 12:30:34 টায় এটি বন্ধ করে দেয়। বাল্বটি কতক্ষণ সুইচ-অন মোডে ছিল?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFগণনা:
2:39:40 টা 12 টা অবধি মোট সময় = 9 ঘন্টা 20 মিনিট এবং 20 সেকেন্ড
অতএব,
12 ঘন্টা থেকে 12:30:34 মোট সময় = 30 মিনিট 34 সেকেন্ড
সুতরাং, মোট সময় = 9 ঘন্টা 20 মিনিট 20 সেকেন্ড + 30 মিনিট 34 সেকেন্ড
⇒ 09 ঘন্টা 50 মিনিট 54 সেকেন্ড
∴ নির্ণেয় উত্তর হল 09 ঘন্টা 50 মিনিট 54 সেকেন্ড।
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