Question

there are some Rupees 1 and rupees 2 coins in a purse the number of Rupees 1 coins is a half of the number of rupees 2 coins if the total money is the purse 315 how many Rupees 1 coins and rupees two coins are there​

Answer 1

Let,the no. of Rs.2 coins be x

Hence,

According to the given condn;

No.of Rs.1 coins be 1/2 × x = x/2

Also,

x + x/2 = 315

2x + x/2 = 315

3x/2 = 315

Therefore,By cross multiplication,

3x = 315×2

3x = 630

Hence,x = 630/3

Therefore, x = 210

Therefore , the Rs.2 coins are 210

Now,

The no. of Rs.1 coins = Total coins - No. of Rs.2 coins

No.of Rs.1 coins = 315 - 210

= 105

Therefore,the no. of Rs.1 coins is 105

Step-by-step explanation:

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Answer 2

Answer:

105 is the answer

Step-by-step explanation:

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