2 . A, B and C enter into a partnership with a total capital of Rs. 8200. A's capital is Rs. 1000 more than B's and Rs. 2000 less than C's. What is B's share at the end of the year in a profit of Rs. 2460?
3 . The percentage profit earned by selling an article for Rs. 1920 is equal to the percentage loss incurred by selling the same article for Rs. 1280. At what price should the article be sold in order to make 25% profit?
5 . A man travelled from a village to the post office at the rate of 25 kmph and walked back at the rate of 4 kmph. If the whole journey took 5 hours 48 minutes, find the distance of the post office from the village
9 . Three pipes A, B and C can fill a tank in 6 hours. After working together for 2 hours, C is closed and A and B can fill the remaining part in 7 hours. The number of hours taken by C alone to fill the tank is