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Q. A bank gives 10% Simple Interest (S.I.) on deposits by senior citizens. Draw a graph to illustrate the relation between the sum deposited and simple interest earned. Find from your graph

a) The annual interest obtainable for an investment of Rs. 250.
b) The investment one has to make to get an annual simple interest of Rs. 70.

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Taking a case of direct variation the graph is as shown below.

Taking sum deposit as 100,200,300,500 ,1000. 

and  10% Simple Interest (S.I.).

a) The annual interest for an investment of Rs 250 is Rs 25.
b) The investment one has to make to get an annual simple interest of Rs 70 is Rs 700.

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seema garhwal

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