A man has Tk. 480 in the denominations of one-taka notes, five-taka notes and ten-taka notes. The number of notes of each-denomination is equal. What is the total number of notes that he has?
Solution
Correct Answer: Option D
x*1 + x*5 + x*10 = 480
x + 5x + 10x = 480
16x = 480
x = 480/16 = 30
Each denomination of notes is = 30
Total number of notes is = 3*30 = 90
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