Question
Pay for the items asked from the coins and currency notes given below:Coins: $1$ rupee, $2$ rupees, $5$ rupees
Currency notes: $10$ rupees, $20$ rupees, $50$ rupees
A pair of socks of $21$ rupees :
Currency notes: $10$ rupees, $20$ rupees, $50$ rupees
A pair of socks of $21$ rupees :















$= 70 + 2 =$ _______ or
______tens ____ ones