A person has only Rs 1 and Rs 2 coins with her If the total number of coins that she has is 50 and t...........

Quantitative Aptitiude (CLAT) Number System

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 is, respectively

15 and 35

35 and 15

30 and 20

25 and 25

Explanation:

Let the Rs. 1 and Rs. 2 coins be x and y in number respectively. Given x + y = 50 and x + 2y = 75 Solving the above two equations, you get x = 25 and y = 25.