Selling 1 kg of news paper gives ₹5, then what is the amount earned after selling 31 kg of newspaper?
Shoab sells 1 kg iron for ₹14. What should be his selling price if he wanted to earn extra ₹64 on selling 32 kg of iron?
If farmer P sells 50 kgs of rice and farmer S sells 60 kg of wheat, what is the difference in amount earned by both the farmers on selling their products?