Lakshmi is a cashier in a bank. She has currency notes of denominations Rs. $100$ , Rs. $50$ and Rs. $10$ , respectively. The ratio of the number of these notes is $2 : 3 : 5$ . The total cash with Lakshmi is Rs. $400000$ . How many notes of each denomination does she have?

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Solution

$\begin{matrix} 2 : 3 : 5 100 x + 50 y + 10 z = 400000 10 x + 5 y + z = 40000 3 x = 2 y, 5 x = 2 z x = 2000, y = 3000, z = 5000 (100 n o t e s) (50 n o t e s) (10 n o t e s) \end{matrix}$

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Lakshmi is a cashier in a bank. She has currency notes of denominations Rs. 100, Rs. 50 and Rs. 10, respectively. The ratio of the number of these notes is 2:3:5. The total cash with Lakshmi is Rs. 400000. How many notes of each denomination does she have?

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Lakshmi is a cashier in a bank. She has currency notes of denominations Rs. $100$ , Rs. $50$ and Rs. $10$ , respectively. The ratio of the number of these notes is $2 : 3 : 5$ . The total cash with Lakshmi is Rs. $400000$ . How many notes of each denomination does she have?

$\begin{matrix} 2 : 3 : 5 100 x + 50 y + 10 z = 400000 10 x + 5 y + z = 40000 3 x = 2 y, 5 x = 2 z x = 2000, y = 3000, z = 5000 (100 n o t e s) (50 n o t e s) (10 n o t e s) \end{matrix}$