Q11 A person sells two fans for Rs. 6800. The cost price of the first fan is equal to the selling price of the second fan. If the first is sold at 30% loss and the second at 100% gain, what is total profit or loss (in rupees)?

Q12 A cloth merchant uses 120cm scale while buying, instead a meter scale ,but uses an 80 cm scale while selling the same cloth. If he offers a discount of 20% on cash payment. Find the profit percent.

Q13 David sold a bicycle at Rs 2100 and made a loss of 25%. At what price should he sell the bicycle if he wants to make a profit of 15%?

Q14 A loss of 20% is made by selling an article. Had it been sold for Rs 240 more, there would have been a profit of 10%. What would be the selling price of the article if it is sold at 25% profit?

Q15 By selling 33 m. cloth, a shopkeeper loses money equivalent to selling price of 11 m. Find his loss percentage.

Q16 If selling price is doubled then, the profit triples. What is profit per cent?

Q17 On selling 15 balls at Rs 400 there is loss equal to Cost Price of 5 balls. The cost price of a ball is?

Q18 A person buys 18 pens for 12 Rs and sells 12 pens for 18 rupees. Find his profit percentage.

Q19 A dishonest shopkeeper professes to sell pulses at the 20% profit , also he uses a false weight of 800gm for a kg, His actual gain is____%.

Q20 A dishonest milkman sells milk at cost price but he mixes water and earns 14(2/7)%. Find the ratio of mixture and milk in the mixture?