1. A person took some amount with some interest for 2 years, but increase the interest for 1%, he paid Rs.120/ extra, then how much amount he took? 


2. The rate of Interest on a sum of money is 2% p.a. for the first 3 years, 4% p.a. for the next 4 years, and 5% for the period beyond 7 years. If the S.I, Occured on the sum for the total period of 8 years is Rs. 540/, the sum is 


3. A sum of 1200 lent at S.I at 10% will become twice in how many years? 


4. At what rate p.a a sum of Rs. 2400 will become Rs. 3600/ in 5 years. 


5. A sum when lent at S.I 3% per annum amount to Rs.840/ after 4 years 


6. A sum of money at simple interest amounts to Rs. 800 in 3 years and to Rs. 850 in 4 years. The sum is: 


7. A sum fetched a total simple interest of Rs. 6016.75 at the rate of 8 p.c.p.a. in 5 years. What is the sum? 


8. Find the principle on a certain sum of money at 5% per annum for 3 1/5 years if the amount being Rs.1160? 


9. What sum of money will produce Rs.90 as simple interest in 4 years at 4 1/2 percent? 


10. Find the simple interest on Rs.750 for 9 months at 6 paisa per month? 


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