Question

a bag contains 510 rupees in the form of 50 Paise,25 Paise and 20 paise coins in the ratio 2 : 3 : 4. find the number of coins of each type .

Answer 1

From the given ratio, let the number of 50 paise, 25 paise and 20 paise coins be
2x, 3x and 4x respectively.
Then,
$50 \times 2x + 25 \times 3x + 20 \times 4x = 51000 \: paise \\ 255x = 51000 \\ x = 200$
Therefore,
number of 50 paise coins = 2×200 = 400
number of 25 paise coins = 3×200 = 600
number of 20 paise coins = 4×200 = 800