Ashifur August 8, 2023 - 17:10
Problem: Mr. Hasan has few notes of TK. 10 and Tk. 50. A total of his 150 notes amount to Tk. 5,100. What is the number of each kind of note?

View all: BANGLADESH BANK| OFFICER CASH | WRITTEN MATH SOLVE | 2011

Correct Answer: Take 10 note 60 pcs and Take 50 note 90 pcs.

Explanation:

Suppose Taka 10 note = p

Total Tk. = 10p Tk.

Take 50 note = (150 -p)

Total Tk = 50(150 —p) Tk

According to question

10p + 50(150 -p) = 5100

10p + 7500 – 50P = 5100

40p = 2400

p = 60

Now, 150—p=150—60=90

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