Mahfuz has a total of to 480 in the denominations of one Taka, five taka and Ten taka. The numbers of different notes are equal. What is the total number of notes?
সমাধান
সঠিক উত্তর: Option C
Let number of notes of each denomination be x.
Then x + 5x + 10x = 480
16x = 480
x = 30.
Hence, total number of notes = 3x = 90.