Question

There are some 25 paise coins and some 50 paise coins in a bag the total number of coins is 150 and amount in the bag is rs55 find number of coins of each value.
solve by elimination

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

Let a and b be number of 25 paise and 50 coins, respectively. Then

Given that:

x+y=140                                        ......(1)

25x+50y=5000                                                [Rs.50=5000 paise]

x+2y=200                                    ......(2)

On subtracting equation (1) from equation (2), we get 

y=60

So, x=80

Hence, there are 80 coins of 25 paise and 60 coins of 50 paise in the bag.