Question

please give me this three math answer very urgent

Answer 1

1. Total coins = 60/0.2 = 300 coins
2. Total coins = 250/0.25 = 1000 coins
3. Let coins of each be 'x'
x (0.2 + 0.1) = 300
0.2x + 0.1x = 300
0.3x = 300
x = 300/0.3 = 1000
So there are 1000 20paise and 10 paise coins.