4. Prahalad invests a sum of money in a bank and gets Rs 3307.5 and Rs3472.87 in and 3rd years respectively. Find the sum he invested.[[http://karnatakaeducation.org.in/KOER/en/index.php/Mathematics_Solved_problems#Banking]]
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4. Prahalad invests a sum of money in a bank and gets Rs 3307.5 and Rs3472.87 in and 3rd years respectively. Find the sum he invested.[[http://karnatakaeducation.org.in/KOER/en/index.php/Mathematics_Solved_problems#Banking| click hear]]