যদি একটি সংখ্যার ৩০ শতাংশের ১৫ শতাংশ ১৮ হয় , তবে সংখ্যাটি কত?
Created: 6 months ago | Updated: 6 days ago
Job Solution Bangladesh House Building Finance Corporation (BHBFC) Bangladesh House Building Finance Corporation - Officer - 31.12.2010 গণিত
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ধরি, সংখ্যাটি x। সংখ্যাটির ৩০% এর ১৫% সমান ১৮।

আমরা একটি অপর পদ্ধতি ব্যবহার করতে পারি:

সংখ্যাটির ৩০% হলে (0.30x)। এই সংখ্যার ১৫% হলে (0.15 \times 0.30x = 0.045x)। এটি সমান ১৮।

তাহলে, আমরা লেখতে পারি:

[0.045x = 18]

[x = \frac{18}{0.045} = 400]

সংখ্যাটি ৪০০।

 

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