Where will it be profitable to purchase 1 kilogram sugar

Due to a 25% increase in the price of rice per kilogram, a person is able to purchase 20 kg less for Rs. 400. What is the increased price of rice per kilogram?

Alok purchased 1kg 200g potatoes, 250g dhania, 5kg 300g onion, 500g palak and 2kg 600g tomatoes. Find the total weight of his purchases in kilograms.

10 kilogram of tomatoes were bought for 270 rupees. Of this, one kilogram was spoilt. To get 20 % profit, at what price a kilogram should the remaining be sold?

1 kilogram=_______m

A retailer buys 150 kilograms of pepper at 400 rupees a kilogram and sells it at a profit of 60 rupees a kilogram. What is the total amount spent in buying? What is the total amount got? What is the total profit? What is the profit percent?