Question : A man bought four dozen eggs at Rs. 24 per dozen and two dozen at Rs. 32 per dozen. To gain 20% on the whole, he should sell the eggs at:

Question : Rahim bought a TV at 20% discount on the list price. Had he bought it on a 25% discount, he would have saved Rs. 500. At what price did he buy the TV?

Question : If a vendor sells a coconut for Rs. 14.4, he makes a 10% loss. If he wants to make a 25% profit, then at what price (in Rs.) should he sell?

Question : A man purchased 150 pens at the rate of Rs. 12 per pen. He sold 50 pens at a gain of 10%. The percentage gains at which he must sell the remaining pens so as to gain 15% on the whole outlay is:

Question : A man bought 500 metres of electronic wire at 50 paise per metre. He sold 50% of it at a profit of 5%. At what percentage should he sell the remainder so as to gain 10% on the whole transaction?