Question
Download Solution PDFএকজন ব্যক্তি তাঁর 20% টাকা হারায় এবং বাকি 85% খরচ করে, তারপর তাঁর কাছে 120 টাকা অবশিষ্ট থাকে। প্রথমে তাঁর কাছে কত টাকা ছিল?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFগণনা:
প্রশ্ন অনুযায়ী,
মোট টাকার (100% - 85%) এর (100% - 20%) = 120
মোট টাকার 80% এর 15% = 120
⇒0.15 × 0.8 × মোট টাকা = 120
⇒ 0.12 মোট টাকা = 120
⇒ মোট টাকা = 120/0.12 = 1000
সুতরাং, নির্ণেয় মান হল 1,000 টাকা।
Last updated on Jul 12, 2025
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