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 : Mr. Kapur purchased two toy cycles for Rs. 750 each. He sold these cycles gaining 6% on one and losing 4% on the other. The gain or loss per cent in the whole transaction is:

Question : A person having bought goods for Rs. 400 sells half of it at a gain of 5%. At what gain percentage must he sell the remainder, so as to gain 25% on the whole?

Question : Match the following and select the correct answer from the codes given below:

Crops            Producing state

(a)Tea             

Question : A shopkeeper bought 20 kg of rice at Rs. 55 per kg, 25 kg at Rs. 50 per kg and 35 kg of rice at Rs. 60 per kg. He spent a sum of Rs. 150 on transportation. He mixed all three types of rice and sold all the stock at Rs. 62.56 kg. His profit percent in the