A carpenter bought 6 chairs for Rs 90 each. He spent Rs 10 on each chair for painting. He then sold all the six chairs for Rs. 795. Find his profit or loss.

A shopkeeper bought 15 tables at the rate of Rs. 500 each and 20 chairs at the rate of Rs. 300 each. He spent Rs. 40 on transportation. He sold the tables and chairs at a flat rate of Rs. 380 each. What is gain or loss?

A retailer bought some tables for Rs.4000. He spent Rs.1000 on transportation charges.He sold them for Rs6000. Find the profit percentage.

Abraham bought a music system for Rs 6375 and spent Rs 75 on its transportation.He sold it for Rs 6400. Find his profit or loss per cent.

Raghu bought an almrah for Rs. 6250 and spent Rs.375 on its repairs. Then, he sold it for Rs. 6890. Find his gain or loss per cent.