Anoarabibi has sold each dozen lemons at Rs. 42 by buying 10 lemons at Rs. 30. Let us calculate and observe the percentage profit or loss Anoarabibi has made.

From the graph, let us find out the answers of the following questions:

(a) Let us write the relation between cost price and selling price by observing the graph.

(b) Let us write the selling price if the production cost of the jute bag is Rs. 60

(c) Let us write the production cost if the selling price of the jute bag is Rs. 125 by observing the graph.

(d) Let us calculate and write the percentage profit/loss from the graph.

(e) Let us write the percentage profit/loss on selling price from the graph.

Subir uncle has sold a clock at the price Rs. 176. If the loss of Subir uncle is 12% by selling the clock. Let us calculate and observe that with how much money he has bought the clock.

Amalbabu sold a picture at 20% loss. But the made a profit of 5% if he sold it with Rs. 200 more. Let us calculate and observe the cost price of the picture he has bought.

Supriya has bought a clock. If she sells the clock at Rs. 370, her profit will be equal to the loss for selling it at Rs. 210. Let us calculate and write the cost price of the clock.