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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: 6 years ago | Updated: 1 year ago
Updated: 1 year ago
Bangladesh Bank Bangladesh Bank - Officer - 2001 গণিত বিন্যাস (Permutation)
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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

6 years ago
Md Azizur Rahman
FOUNDER OF SATT

গণিত

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