Question

there are some 25 paise coins and some 50 paise coins in a bag . the total number of coins as 100 and the amount and the bag is rupees 42.50.find the no. of coins of each value in the bag

Answer 1

let number of 25 pasie coin be x
no. of 50 pasei coin =100-x
amount =25x
amount = 5000-50x
25x+5000-50x = 42.50
-25x = 4250 - 5000
-25x = -800
x=32
50 pasei = 100-32
=68