Reenu has 10 notes of ₹500, 20 notes of ₹200, 50 notes of ₹50 with her. How much more money is required to buy the refrigerator?
Krishna has 5 notes of ₹20 and 10 notes of ₹50. How much money does he have?
Zoya has six ₹50 notes, five ₹20 notes, nine ₹10 notes and seven ₹5 coins. How much money does she have?