• # question_answer Some 1 rupee, 50 paisa and 25 paise coins make up Rs. 93.75 and their number are in proportion 3: 4: 5. The number of each type of coins, are A)  40, 70, 75        B)  46, 58, 75C)  42, 56, 70D)  45, 60, 75

[d] Let no. of one-rupee, 50 paise and 25 paise coins be 3x, 4x and 5x respectively $\therefore$ $3x\times 1+4x\times 0.5+5x\times 0.25=93.75$ $\Rightarrow$ $3x+2x+1.25x=93.75$ $\Rightarrow$ $6.25x=93.75$ $\Rightarrow$ $x=15$ $\therefore$ No. of coins are 45, 60, 75