A shopkeeper buys an article for ₹ 600 and marks 25% above the cost price. Find (i) the selling price if he sells the article at 10% discount; (ii) the percentage of discount if it is sold for ₹ 690.

On selling apples at 40 per Kg, a vendor incurs 10% loss. If he incurs a total loss of ₹ 120, calculate the quantity (in Kg) of apples he sold.

A dealer allows a discount of 20% and still gains 20%. Find the marked price of an article which costs the dealer ₹ 720.

A retailer purchases goods worth ₹ 33,600 and gets a discount of 14% from a whole seller. For paying in cash, the whole seller gives an additional discount of 1.5% on the amount to be paid after the first discount. What is the net amount the retailer has to pay?

An old car was disposed through a broker for ₹ 42,000. If the broker age is 2 1/2%, find the amount the owner gets.