Question

Page 1- A bag contains 25 paise, 10 paise and 5 paise coins on the ratis 3:4:5.If their total value is ₹57.4,then how many coins are there of 10p?​

Answer 1

hi friend ☺️

$hi \: friend \\ let \: x \: be \: the \: number \: of \: coins \\ 3 \times 0.25x + .10 \times 4x + .05 \times 5x = 57.4 \\ .75x + .40x + .25x = 57.4 \\ 1.40x = 57.4 \\ x = \frac{57.4}{1.40} = 45.82 \\ the \: number \: of \: 10paisa \: \\ = .40 \times 45.92 \\ = 18$