Question

In a bag number of 1 Rs coin is treee times than 2 rs. coin. if there are only rupees 150 in this bag then find the number of both the coin​

Answer 1

Answer:

Step-by-step explanation:

let  the number of one rupee coins= x

and the number of two rupee coins = y

now case 1

3 x=y

and

Case 2:

3 x+y=120

3 x+x=120

4 x=120

x=30

y = 60

Answer 2

Answer:

Let the no of 2 rs coins =x

:. no of 1 rs coins = 3x

ATQ

$1(3x) + 2x = 150 \\ 3x + 2x = 150 \\ 5x = 150 \\ x = \frac{150}{5} \\ x = 30$

:. no of 2rs coins = 30

and no of 1 rs coins = 3(30) =90

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