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 ?

A 1
B 2
C 5
D None of these

Correct Answer: 2

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
Bissoy MCQ
#গণিত #Bangladesh Bank #বিন্যাস (Permutation) #Bangladesh Bank - Officer - 2001

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