একটি দ্রব্য ক্রয়মূল্যের সমান লাত করায় বিক্রয়মূল্য পাওয়া গেল ৫৬০ টাকা। দ্রব্যটির ক্রয়মূল্য কত?
A. ২৬০
B. ২৮০
C. ৩৮০
D. ৫৬০
সঠিক উত্তরঃ
B.
২৮০
Explanation:
Another Explanation (5): ```html
একটি দ্রব্যের ক্রয়মূল্য নির্ণয় 💰
ধরা যাক, দ্রব্যটির ক্রয়মূল্য x টাকা। যেহেতু ক্রয়মূল্যের সমান লাভ হয়েছে, তাই লাভের পরিমাণও x টাকা।
আমরা জানি, বিক্রয়মূল্য = ক্রয়মূল্য + লাভ
সুতরাং, x + x = ৫৬০ টাকা
বা, ২x = ৫৬০ টাকা
অতএব, x = ৫৬০ / ২ = ২৮০ টাকা 🥳
গণিতের ধাপসমূহ ➕➖➗✖️
- ধাপ ১: ক্রয়মূল্যকে x ধরা হলো।
- ধাপ ২: লাভের পরিমাণ x টাকা (যেহেতু ক্রয়মূল্যের সমান)।
- ধাপ ৩: বিক্রয়মূল্যের সূত্র ব্যবহার করা হলো: ক্রয়মূল্য + লাভ = বিক্রয়মূল্য।
- ধাপ ৪: সমীকরণ গঠন করা হলো: x + x = ৫৬০।
- ধাপ ৫: সমীকরণ সমাধান করে x এর মান বের করা হলো।
ফলাফল 📊
| বিষয় | মান |
|---|---|
| বিক্রয়মূল্য | ৫৬০ টাকা |
| ক্রয়মূল্য | ২৮০ টাকা |
| লাভ | ২৮০ টাকা |
সুতরাং, দ্রব্যটির ক্রয়মূল্য ২৮০ টাকা। ✅
আরও কিছু তথ্য:
- লাভের হার: ১০০% 💯
- এই ধরণের সমস্যা সমাধানে বীজগণিত ব্যবহার করা সুবিধাজনক।
- নিয়মিত অনুশীলন সাফল্যের চাবিকাঠি! ??️
ধন্যবাদ! 🙏
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