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A person has TK. 950 in 29 notes consisting of TK. 500,100, 50 and 10. How many notes should at least be in TK. 50 ?

Created: 8 years ago | Updated: 3 months ago
Updated: 3 months ago
Bangladesh Bank Bangladesh Bank - Officer - 2001 গণিত বিন্যাস (Permutation) 2001
Des
2 1.2k
Best Ans:

নল তিনটি দিয়ে ১ ঘন্টায় পুর্ণ হয় =  (১/১০  +  ১/১২  +  ১/১৫)  =  ১৫/৬০  =  ১/৪ অংশ

১/৪ অংশ পূর্ণ হয় ১ ঘন্টায়

১ (সম্পূর্ণ) অংশ পূর্ণ হয় ৪ ঘন্টায়

১/২ অংশ পূর্ণ হয় (৪/২) =  ২ ঘন্টায়

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8 years ago

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