A person has only Rs. 1 and Rs. 2 coins with her. If the total number of coins that she has is 50 and the amount of money with her is Rs. 75, then the number of Rs. 1 and Rs. 2 coins are, respectively
15 and 35
35 and 15
30 and 20
25 and 25
Let the Rs. 1 and Rs. 2 coins be x and y in number respectively. Given x + y = 50 and x + 2y = 75Solving the above two equations, you get x = 25 and y = 25.
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