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<title>QnA fy - Recent questions tagged বীজগাণিতিক রাশি</title>
<link>https://qnafy.com/tag/%E0%A6%AC%E0%A7%80%E0%A6%9C%E0%A6%97%E0%A6%BE%E0%A6%A3%E0%A6%BF%E0%A6%A4%E0%A6%BF%E0%A6%95%20%E0%A6%B0%E0%A6%BE%E0%A6%B6%E0%A6%BF</link>
<description>Powered by Question2Answer</description>
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<title>$f(x)=x^2-4x+4$ হলে, $f(2)$ এর মান কত?</title>
<link>https://qnafy.com/14828/%24f-x-x-2-4x-4%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24f-2-%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4</link>
<category>Algebra</category>
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<pubDate>Sun, 20 Jul 2025 16:12:43 +0000</pubDate>
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<title>$\frac12\{(a+b)^2-(a-b)^2\}$ এর মান কত?</title>
<link>https://qnafy.com/14827/%24-frac12-a-b-2-a-b-2-%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4</link>
<category>Algebra</category>
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<pubDate>Sun, 20 Jul 2025 16:10:13 +0000</pubDate>
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<title>$x+\frac{2}{x}=3$ হলে, $x^3+\frac{8}{x^3}$ এর মান কত?</title>
<link>https://qnafy.com/14826/%24x-frac-2-x-3%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24x-3-frac-8-x-3-%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4</link>
<category>Algebra</category>
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<pubDate>Sun, 20 Jul 2025 16:09:10 +0000</pubDate>
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<title>উৎপাদকে বিশ্লেষণ কর: $p^4+p^2+1$</title>
<link>https://qnafy.com/14825/%E0%A6%89%E0%A7%8E%E0%A6%AA%E0%A6%BE%E0%A6%A6%E0%A6%95%E0%A7%87-%E0%A6%AC%E0%A6%BF%E0%A6%B6%E0%A7%8D%E0%A6%B2%E0%A7%87%E0%A6%B7%E0%A6%A3-%E0%A6%95%E0%A6%B0-%24p-4-p-2-1%24</link>
<category>Algebra</category>
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<pubDate>Sun, 20 Jul 2025 16:07:40 +0000</pubDate>
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<title>যদি $x=2-\sqrt3$ হয়, তবে, $x^2$ এর মান কত?</title>
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<category>Algebra</category>
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<pubDate>Sun, 20 Jul 2025 16:06:39 +0000</pubDate>
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<title>$f(x)=x^2-5x+6$ এবং $f(x)=0$ হলে, $x=$ কত?</title>
<link>https://qnafy.com/14823/%24f-x-x-2-5x-6%24-%E0%A6%8F%E0%A6%AC%E0%A6%82-%24f-x-0%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24x-%24-%E0%A6%95%E0%A6%A4</link>
<category>Algebra</category>
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<pubDate>Sun, 20 Jul 2025 16:05:34 +0000</pubDate>
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<title>$9x^2+16y^2$ এর সাথে কত যোগ করলে যোগফল পূর্ণবর্গ রাশি হবে?</title>
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<category>Algebra</category>
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<pubDate>Sun, 20 Jul 2025 16:02:30 +0000</pubDate>
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<title>$x^4-x^2+1=0$ হলে, $x^2+\frac{1}{x^2}$ এর মান কত?</title>
<link>https://qnafy.com/14821/%24x-4-x-2-1-0%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24x-2-frac-1-x-2-%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4</link>
<category>Algebra</category>
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<pubDate>Sun, 20 Jul 2025 16:00:36 +0000</pubDate>
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<title>$x^4-x^2+1=0$ হলে, $\left(x+\frac{1}{x}\right)^2$ এর মান কত?</title>
<link>https://qnafy.com/14820/%24x-4-x-2-1-0%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24-left-x-frac-1-x-right-2%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4</link>
<category>Algebra</category>
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<pubDate>Sun, 20 Jul 2025 15:59:27 +0000</pubDate>
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<title>$x^4-x^2+1=0$ হলে, $x^3+\frac{1}{x^3}$ এর মান কত?</title>
<link>https://qnafy.com/14819/%24x-4-x-2-1-0%24-%E0%A6%B9%E0%A6%B2%E0%A7%87-%24x-3-frac-1-x-3-%24-%E0%A6%8F%E0%A6%B0-%E0%A6%AE%E0%A6%BE%E0%A6%A8-%E0%A6%95%E0%A6%A4</link>
<category>Algebra</category>
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<pubDate>Sun, 20 Jul 2025 15:54:23 +0000</pubDate>
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<title>উৎপাদকে বিশ্লেষণ কর: $p^3-\frac{1}{64}$</title>
<link>https://qnafy.com/14817/%E0%A6%89%E0%A7%8E%E0%A6%AA%E0%A6%BE%E0%A6%A6%E0%A6%95%E0%A7%87-%E0%A6%AC%E0%A6%BF%E0%A6%B6%E0%A7%8D%E0%A6%B2%E0%A7%87%E0%A6%B7%E0%A6%A3-%E0%A6%95%E0%A6%B0-%24p-3-frac-1-64-%24</link>
<category>Algebra</category>
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<pubDate>Sun, 20 Jul 2025 15:25:44 +0000</pubDate>
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<title>ক একটি কাজ $p$ দিনে করে এবং খ, $2p$ দিনে করে। তারা একটি কাজ আরম্ভ করে এবং কয়েকদিন পর ক কাজটি অসমাপ্ত রেখে চলে গেল। বাকি কাজটুকু খ $r$ দিনে শেষ করে। কাজটি কত দিনে শেষ হয়েছিল?</title>
<link>https://qnafy.com/14790/%E0%A6%95-%E0%A6%8F%E0%A6%95%E0%A6%9F%E0%A6%BF-%E0%A6%95%E0%A6%BE%E0%A6%9C-%24p%24-%E0%A6%A6%E0%A6%BF%E0%A6%A8%E0%A7%87-%E0%A6%95%E0%A6%B0%E0%A7%87-%E0%A6%8F%E0%A6%AC%E0%A6%82-%E0%A6%96-%242p%24-%E0%A6%A6%E0%A6%BF%E0%A6%A8%E0%A7%87-%E0%A6%95%E0%A6%B0%E0%A7%87%E0%A5%A4-%E0%A6%A4%E0%A6%BE%E0%A6%B0%E0%A6%BE-%E0%A6%8F%E0%A6%95%E0%A6%9F%E0%A6%BF-%E0%A6%95%E0%A6%BE%E0%A6%9C-%E0%A6%86%E0%A6%B0%E0%A6%AE%E0%A7%8D%E0%A6%AD-%E0%A6%95%E0%A6%B0%E0%A7%87-%E0%A6%8F%E0%A6%AC%E0%A6%82-%E0%A6%95%E0%A7%9F%E0%A7%87%E0%A6%95%E0%A6%A6%E0%A6%BF%E0%A6%A8-%E0%A6%AA%E0%A6%B0-%E0%A6%95-%E0%A6%95%E0%A6%BE%E0%A6%9C%E0%A6%9F%E0%A6%BF-%E0%A6%85%E0%A6%B8%E0%A6%AE%E0%A6%BE%E0%A6%AA%E0%A7%8D%E0%A6%A4-%E0%A6%B0%E0%A7%87%E0%A6%96%E0%A7%87-%E0%A6%9A%E0%A6%B2%E0%A7%87-%E0%A6%97%E0%A7%87%E0%A6%B2%E0%A5%A4-%E0%A6%AC%E0%A6%BE%E0%A6%95%E0%A6%BF-%E0%A6%95%E0%A6%BE%E0%A6%9C%E0%A6%9F%E0%A7%81%E0%A6%95%E0%A7%81-%E0%A6%96-%24r%24-%E0%A6%A6%E0%A6%BF%E0%A6%A8%E0%A7%87-%E0%A6%B6%E0%A7%87%E0%A6%B7-%E0%A6%95%E0%A6%B0%E0%A7%87%E0%A5%A4-%E0%A6%95%E0%A6%BE%E0%A6%9C%E0%A6%9F%E0%A6%BF-%E0%A6%95%E0%A6%A4-%E0%A6%A6%E0%A6%BF%E0%A6%A8%E0%A7%87-%E0%A6%B6%E0%A7%87%E0%A6%B7-%E0%A6%B9%E0%A7%9F%E0%A7%87%E0%A6%9B%E0%A6%BF%E0%A6%B2</link>
<category>Algebra</category>
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<pubDate>Wed, 16 Jul 2025 02:49:37 +0000</pubDate>
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<title>দৈনিক $6$ ঘণ্টা পরিশ্রম করে $10$ জন লোক একটি কাজ $7$ দিনে করতে পারে। দৈনিক কত ঘণ্টা পরিশ্রম করে $14$ জনে $6$ দিনে ঐ কাজটি করতে পারবে?</title>
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<category>Algebra</category>
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<pubDate>Wed, 16 Jul 2025 02:47:31 +0000</pubDate>
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<category>Algebra</category>
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<pubDate>Wed, 16 Jul 2025 02:45:51 +0000</pubDate>
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<title>বনভোজনে যাওয়ার জন্য $5700$ টাকায় একটি বাস ভাড়া করা হলো এবং শর্ত হলো যে, প্রত্যেক যাত্রী সমান ভাড়া বহন করবে। $5$ জন যাত্রী না যাওয়ায় মাথাপিছু ভাড়া $3$ টাকা বৃদ্ধি পেল। বাসে কতজন যাত্রী গিয়েছিল?</title>
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<category>Algebra</category>
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<pubDate>Wed, 16 Jul 2025 02:44:10 +0000</pubDate>
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<category>Algebra</category>
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<pubDate>Wed, 16 Jul 2025 02:42:09 +0000</pubDate>
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<title>একজন মাঝির দাঁড় বেয়ে $15$ কি.মি. যেতে এবং সেখান থেকে ফিরে আসতে $4$ ঘণ্টা সময় লাগে। সে স্রোতের অনুকূলে যতক্ষণে $5$ কি.মি. যায়, স্রোতের প্রতিকূলে ততক্ষণে $3$ কি.মি. যায়। দাঁড়ের বেগ ও স্রোতের বেগ নির্ণয় কর।</title>
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<category>Algebra</category>
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<pubDate>Wed, 16 Jul 2025 02:40:16 +0000</pubDate>
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<item>
<title>একটি চৌবাচ্চায় দুইটি নল সংযুক্ত আছে। প্রথম নল দ্বারা চৌবাচ্চাটি $t_1$ মিনিটে পূর্ণ হয় এবং দ্বিতীয় নল দ্বারা $t_2$ মিনিটে খালি হয়। নল দুইটি একত্রে খুলে দিলে খালি চৌবাচ্চাটি কতক্ষণে পূর্ণ হবে? (এখানে $t_2 &gt; t_1$)</title>
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<category>Algebra</category>
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<pubDate>Wed, 16 Jul 2025 02:37:26 +0000</pubDate>
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<item>
<title>একটি নল দ্বারা $12$ মিনিটে একটি চৌবাচ্চা পূর্ণ হয়। অপর একটি নল দ্বারা $1$ মিনিটে তা থেকে $15$ লিটার পানি বের করে দেয়। চৌবাচ্চাটি খালি থাকা অবস্থায় দুইটি নল একসঙ্গে খুলে দেওয়া হয় এবং চৌবাচ্চাটি $48$ মিনিটে পূর্ণ হয়। চৌবাচ্চাটিতে কত লিটার পানি ধরে?</title>
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<category>Algebra</category>
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<pubDate>Wed, 16 Jul 2025 02:33:13 +0000</pubDate>
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<title>ক, খ ও গ এর মধ্যে $260$ টাকা এরূপে ভাগ করে দাও যেন ক এর অংশের $2$ গুণ, খ এর অংশের $3$ গুণ এবং গ এর অংশের $4$ গুণ পরস্পর সমান হয়।</title>
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<category>Algebra</category>
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<pubDate>Wed, 16 Jul 2025 02:30:25 +0000</pubDate>
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<pubDate>Wed, 16 Jul 2025 02:27:47 +0000</pubDate>
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<title>একটি কলম $11$ টাকায় বিক্রয় করলে $10\%$ লাভ হয়। কলমটির ক্রয়মূল্য কত?</title>
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<category>Algebra</category>
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<pubDate>Wed, 16 Jul 2025 02:25:19 +0000</pubDate>
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<title>একটি খাতা $36$ টাকায় বিক্রয় করায় ত ক্ষতি হলো, $72$ টাকায় বিক্রয় করলে তার দ্বিগুণ লাভ হতো, খাতাটির ক্রয়মূল্য কত?</title>
<link>https://qnafy.com/14779/%E0%A6%8F%E0%A6%95%E0%A6%9F%E0%A6%BF-%E0%A6%96%E0%A6%BE%E0%A6%A4%E0%A6%BE-%2436%24-%E0%A6%9F%E0%A6%BE%E0%A6%95%E0%A6%BE%E0%A7%9F-%E0%A6%AC%E0%A6%BF%E0%A6%95%E0%A7%8D%E0%A6%B0%E0%A7%9F-%E0%A6%95%E0%A6%B0%E0%A6%BE%E0%A7%9F-%E0%A6%A4-%E0%A6%95%E0%A7%8D%E0%A6%B7%E0%A6%A4%E0%A6%BF-%E0%A6%B9%E0%A6%B2%E0%A7%8B-%2472%24-%E0%A6%9F%E0%A6%BE%E0%A6%95%E0%A6%BE%E0%A7%9F-%E0%A6%AC%E0%A6%BF%E0%A6%95%E0%A7%8D%E0%A6%B0%E0%A7%9F-%E0%A6%95%E0%A6%B0%E0%A6%B2%E0%A7%87-%E0%A6%A4%E0%A6%BE%E0%A6%B0-%E0%A6%A6%E0%A7%8D%E0%A6%AC%E0%A6%BF%E0%A6%97%E0%A7%81%E0%A6%A3-%E0%A6%B2%E0%A6%BE%E0%A6%AD-%E0%A6%B9%E0%A6%A4%E0%A7%8B-%E0%A6%96%E0%A6%BE%E0%A6%A4%E0%A6%BE%E0%A6%9F%E0%A6%BF%E0%A6%B0-%E0%A6%95%E0%A7%8D%E0%A6%B0%E0%A7%9F%E0%A6%AE%E0%A7%82%E0%A6%B2%E0%A7%8D%E0%A6%AF-%E0%A6%95%E0%A6%A4</link>
<category>Algebra</category>
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<pubDate>Wed, 16 Jul 2025 02:24:03 +0000</pubDate>
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<item>
<title>মুনাফার একই হারে $300$ টাকার $4$ বছরের সরল মুনাফা ও $400$ টাকার $5$ বছরের সরল মুনাফা একত্রে $128$ টাকা হলে, শতকরা মুনাফার হার কত?</title>
<link>https://qnafy.com/14778/%E0%A6%AE%E0%A7%81%E0%A6%A8%E0%A6%BE%E0%A6%AB%E0%A6%BE%E0%A6%B0-%E0%A6%8F%E0%A6%95%E0%A6%87-%E0%A6%B9%E0%A6%BE%E0%A6%B0%E0%A7%87-%24300%24-%E0%A6%9F%E0%A6%BE%E0%A6%95%E0%A6%BE%E0%A6%B0-%244%24-%E0%A6%AC%E0%A6%9B%E0%A6%B0%E0%A7%87%E0%A6%B0-%E0%A6%B8%E0%A6%B0%E0%A6%B2-%E0%A6%AE%E0%A7%81%E0%A6%A8%E0%A6%BE%E0%A6%AB%E0%A6%BE-%E0%A6%93-%24400%24-%E0%A6%9F%E0%A6%BE%E0%A6%95%E0%A6%BE%E0%A6%B0-%245%24-%E0%A6%AC%E0%A6%9B%E0%A6%B0%E0%A7%87%E0%A6%B0-%E0%A6%B8%E0%A6%B0%E0%A6%B2-%E0%A6%AE%E0%A7%81%E0%A6%A8%E0%A6%BE%E0%A6%AB%E0%A6%BE-%E0%A6%8F%E0%A6%95%E0%A6%A4%E0%A7%8D%E0%A6%B0%E0%A7%87-%24128%24-%E0%A6%9F%E0%A6%BE%E0%A6%95%E0%A6%BE-%E0%A6%B9%E0%A6%B2%E0%A7%87-%E0%A6%B6%E0%A6%A4%E0%A6%95%E0%A6%B0%E0%A6%BE-%E0%A6%AE%E0%A7%81%E0%A6%A8%E0%A6%BE%E0%A6%AB%E0%A6%BE%E0%A6%B0-%E0%A6%B9%E0%A6%BE%E0%A6%B0-%E0%A6%95%E0%A6%A4</link>
<category>Algebra</category>
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<pubDate>Wed, 16 Jul 2025 02:22:28 +0000</pubDate>
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<item>
<title>$4\%$ হার মুনাফায় কোনো টাকার $2$ বছরের সরল মুনাফা ও চক্রবৃদ্ধি মুনাফার পার্থক্য $1$ টাকা হলে, মূলধন কত?</title>
<link>https://qnafy.com/14777/%244-%25%24-%E0%A6%B9%E0%A6%BE%E0%A6%B0-%E0%A6%AE%E0%A7%81%E0%A6%A8%E0%A6%BE%E0%A6%AB%E0%A6%BE%E0%A7%9F-%E0%A6%95%E0%A7%8B%E0%A6%A8%E0%A7%8B-%E0%A6%9F%E0%A6%BE%E0%A6%95%E0%A6%BE%E0%A6%B0-%242%24-%E0%A6%AC%E0%A6%9B%E0%A6%B0%E0%A7%87%E0%A6%B0-%E0%A6%B8%E0%A6%B0%E0%A6%B2-%E0%A6%AE%E0%A7%81%E0%A6%A8%E0%A6%BE%E0%A6%AB%E0%A6%BE-%E0%A6%93-%E0%A6%9A%E0%A6%95%E0%A7%8D%E0%A6%B0%E0%A6%AC%E0%A7%83%E0%A6%A6%E0%A7%8D%E0%A6%A7%E0%A6%BF-%E0%A6%AE%E0%A7%81%E0%A6%A8%E0%A6%BE%E0%A6%AB%E0%A6%BE%E0%A6%B0-%E0%A6%AA%E0%A6%BE%E0%A6%B0%E0%A7%8D%E0%A6%A5%E0%A6%95%E0%A7%8D%E0%A6%AF-%241%24-%E0%A6%9F%E0%A6%BE%E0%A6%95%E0%A6%BE-%E0%A6%B9%E0%A6%B2%E0%A7%87-%E0%A6%AE%E0%A7%82%E0%A6%B2%E0%A6%A7%E0%A6%A8-%E0%A6%95%E0%A6%A4</link>
<category>Algebra</category>
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<pubDate>Wed, 16 Jul 2025 02:20:14 +0000</pubDate>
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<item>
<title>কোনো আসল $3$ বছরে সরল মুনাফাসহ $460$ টাকা এবং $5$ বছরে সরল মুনাফাসহ $600$ টাকা হলে, শতকরা মুনাফার হার কত?</title>
<link>https://qnafy.com/14776/%E0%A6%95%E0%A7%8B%E0%A6%A8%E0%A7%8B-%E0%A6%86%E0%A6%B8%E0%A6%B2-%243%24-%E0%A6%AC%E0%A6%9B%E0%A6%B0%E0%A7%87-%E0%A6%B8%E0%A6%B0%E0%A6%B2-%E0%A6%AE%E0%A7%81%E0%A6%A8%E0%A6%BE%E0%A6%AB%E0%A6%BE%E0%A6%B8%E0%A6%B9-%24460%24-%E0%A6%9F%E0%A6%BE%E0%A6%95%E0%A6%BE-%E0%A6%8F%E0%A6%AC%E0%A6%82-%245%24-%E0%A6%AC%E0%A6%9B%E0%A6%B0%E0%A7%87-%E0%A6%B8%E0%A6%B0%E0%A6%B2-%E0%A6%AE%E0%A7%81%E0%A6%A8%E0%A6%BE%E0%A6%AB%E0%A6%BE%E0%A6%B8%E0%A6%B9-%24600%24-%E0%A6%9F%E0%A6%BE%E0%A6%95%E0%A6%BE-%E0%A6%B9%E0%A6%B2%E0%A7%87-%E0%A6%B6%E0%A6%A4%E0%A6%95%E0%A6%B0%E0%A6%BE-%E0%A6%AE%E0%A7%81%E0%A6%A8%E0%A6%BE%E0%A6%AB%E0%A6%BE%E0%A6%B0-%E0%A6%B9%E0%A6%BE%E0%A6%B0-%E0%A6%95%E0%A6%A4</link>
<category>Algebra</category>
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<pubDate>Wed, 16 Jul 2025 02:18:20 +0000</pubDate>
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<item>
<title>শতকরা বার্ষিক $5\%$ হার সরল মুনাফায় কত টাকা $13$ বছরে সবৃদ্ধিমূল $990$ টাকা হবে?</title>
<link>https://qnafy.com/14775/%E0%A6%B6%E0%A6%A4%E0%A6%95%E0%A6%B0%E0%A6%BE-%E0%A6%AC%E0%A6%BE%E0%A6%B0%E0%A7%8D%E0%A6%B7%E0%A6%BF%E0%A6%95-%245-%25%24-%E0%A6%B9%E0%A6%BE%E0%A6%B0-%E0%A6%B8%E0%A6%B0%E0%A6%B2-%E0%A6%AE%E0%A7%81%E0%A6%A8%E0%A6%BE%E0%A6%AB%E0%A6%BE%E0%A7%9F-%E0%A6%95%E0%A6%A4-%E0%A6%9F%E0%A6%BE%E0%A6%95%E0%A6%BE-%2413%24-%E0%A6%AC%E0%A6%9B%E0%A6%B0%E0%A7%87-%E0%A6%B8%E0%A6%AC%E0%A7%83%E0%A6%A6%E0%A7%8D%E0%A6%A7%E0%A6%BF%E0%A6%AE%E0%A7%82%E0%A6%B2-%24990%24-%E0%A6%9F%E0%A6%BE%E0%A6%95%E0%A6%BE-%E0%A6%B9%E0%A6%AC%E0%A7%87</link>
<category>Algebra</category>
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<pubDate>Wed, 16 Jul 2025 02:15:40 +0000</pubDate>
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<item>
<title>শতকরা বার্ষিক $5$ টাকা হার মুনাফায় কত টাকা $12$ বছরে সবৃদ্ধিমূল $1280$ টাকা হবে?</title>
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<category>Algebra</category>
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<pubDate>Wed, 16 Jul 2025 02:13:03 +0000</pubDate>
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<title>$5\%$ হার মুনাফায় $8000$ টাকার $3$ বছরে সরল ও চক্রবৃদ্ধি মুনাফার পার্থক্য নির্ণয় কর।</title>
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<category>Algebra</category>
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<pubDate>Wed, 16 Jul 2025 02:11:26 +0000</pubDate>
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<title>মিষ্টির উপর মূল্য সংযোজন কর (VAT) $x\%$। একজন বিক্রেতা ভ্যাটসহ $P$ টাকার মিষ্টি বিক্রয় করলে তাকে কত ভ্যাট দিতে হবে? $x=15$, $P=2300$ হলে, ভ্যাটের পরিমাণ কত?</title>
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<category>Algebra</category>
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<pubDate>Wed, 16 Jul 2025 02:08:12 +0000</pubDate>
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<item>
<title>দাঁড় বেয়ে একটি খালের $A$ বিন্দু থেকে $B$ বিন্দুতে যেয়ে ফিরে আসতে হবে। দাঁড়ের বেগ দ্রুব হলে স্রোত থাকলে সময় বেশি লাগবে না স্রোত না থাকলে সময় বেশি লাগবে?</title>
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<category>Algebra</category>
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<pubDate>Wed, 16 Jul 2025 01:51:27 +0000</pubDate>
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<title>একটি মাঠে ধ্রুব হারে ঘাস বৃদ্ধি পায়। $17$টি গরু $30$ দিনে সব ঘাস খেয়ে ফেলতে পারে। তবে $19$টি গরুর লাগে $24$ দিন। একদল গরু $6$ দিন ঘাস খাওয়ার পর $4$টি গরু বিক্রয় করা হলে ঘাস খাওয়া শেষ করতে আরও $2$ দিন লাগলো। দলটিতে শুরুতে কতগুলো গরু ছিল?</title>
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<category>Algebra</category>
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<pubDate>Tue, 15 Jul 2025 17:32:54 +0000</pubDate>
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<item>
<title>দুই ভাইয়ের একটি প্রশিক্ষিত ঘোড়া ছিল যা যেকোনো নির্দেশই পালন করতে পারে। দুই ভাই একই সময়ে বাসা থেকে রওয়ানা হয়ে $20$ মাইল দূরে একটি বৈশাখী মেলায় যেতে চায়। ঘোড়া যেকোনো মুহুর্তে মাত্র একজন ভাইকে বহন করতে পারে। ভাইদের বেগ ঘণ্টায় $4$ মাইল এবং ঘোড়ার বেগ ঘণ্টায় (মানুষসহ কিংবা ছাড়া) $10$ মাইল হলে সর্বনিম্ন কত সময়ে তারা মেলায় পৌঁছতে পারবে? প্রত্যেক ভাই কতটা পথ হাঁটবে?</title>
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