By selling a chair for ₹1440, a trader gains 20%. Find the cost price of the chair.

By selling a table for Rs. 330, a trader gains 10%. Find the cost price of the table.

On selling a chair for ₹720, a man gains 20%. The cost price of the chair is

By selling a chair for ₹1375 a man gains 10%. Find its cost price.

By selling a television for Rs. 6600, a trader gains 10%. Find the cost price of the television for the trader.

By selling an article for Rs 900, a man gains 20%. Find his cost price and the gain.

A man sells a scooter to his friend at 10% loss. If the friend sells it for Rs. 54000 and gains 20%. Find the original cost price of the scooter.

A dealer get Rs 30 less if instead of selling a chair at 12% gain he sells it at a gain of 8%. Find the cost price of the chair.