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Q1. Find Compound Interest on Rs. 5000 at 20% for 2 years (annual compounding).
Amount = P(1+r/100)^n = 7200. CI = Amount - Principal = 2200.
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Simple Interest / Compound Interest
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Q2. Find Compound Interest on Rs. 5000 at 10% for 3 years (annual compounding).
Amount = P(1+r/100)^n = 6655. CI = Amount - Principal = 1655.
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Q3. Find Compound Interest on Rs. 3000 at 10% for 3 years (annual compounding).
Amount = P(1+r/100)^n = 3993. CI = Amount - Principal = 993.
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Q4. Find Compound Interest on Rs. 4000 at 20% for 2 years (annual compounding).
Amount = P(1+r/100)^n = 5760. CI = Amount - Principal = 1760.
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Q5. Find Compound Interest on Rs. 6000 at 20% for 3 years (annual compounding).
Amount = P(1+r/100)^n = 10368. CI = Amount - Principal = 4368.
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Q6. Find the Simple Interest on Rs. 3000 at 20% per annum for 2 years.
SI = PRT/100 = 3000 x 20 x 2/100 = 1200.
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Q7. Find the Simple Interest on Rs. 8000 at 10% per annum for 2 years.
SI = PRT/100 = 8000 x 10 x 2/100 = 1600.
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Q8. Find Compound Interest on Rs. 9000 at 20% for 2 years (annual compounding).
Amount = P(1+r/100)^n = 12960. CI = Amount - Principal = 3960.
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Q9. For principal Rs. 8000, rate 20% and time 3 years, find (CI - SI).
SI = 4800, CI = 5824. Difference = 5824 - 4800 = 1024.
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Q10. Find the Simple Interest on Rs. 2000 at 20% per annum for 2 years.
SI = PRT/100 = 2000 x 20 x 2/100 = 800.
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Q11. Find the Simple Interest on Rs. 7000 at 20% per annum for 2 years.
SI = PRT/100 = 7000 x 20 x 2/100 = 2800.
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Q12. Find the Simple Interest on Rs. 10000 at 10% per annum for 2 years.
SI = PRT/100 = 10000 x 10 x 2/100 = 2000.
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Q13. For principal Rs. 2000, rate 20% and time 3 years, find (CI - SI).
SI = 1200, CI = 1456. Difference = 1456 - 1200 = 256.
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Q14. Find the Simple Interest on Rs. 5000 at 20% per annum for 2 years.
SI = PRT/100 = 5000 x 20 x 2/100 = 2000.
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Q15. Find Compound Interest on Rs. 5000 at 10% for 2 years (annual compounding).
Amount = P(1+r/100)^n = 6050. CI = Amount - Principal = 1050.
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Q16. For principal Rs. 2000, rate 10% and time 2 years, find (CI - SI).
SI = 400, CI = 420. Difference = 420 - 400 = 20.
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Q17. Find the Simple Interest on Rs. 4000 at 20% per annum for 2 years.
SI = PRT/100 = 4000 x 20 x 2/100 = 1600.
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Q18. For principal Rs. 7000, rate 10% and time 2 years, find (CI - SI).
SI = 1400, CI = 1470. Difference = 1470 - 1400 = 70.
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Q19. For principal Rs. 4000, rate 20% and time 2 years, find (CI - SI).
SI = 1600, CI = 1760. Difference = 1760 - 1600 = 160.
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Q20. For principal Rs. 8000, rate 20% and time 2 years, find (CI - SI).
SI = 3200, CI = 3520. Difference = 3520 - 3200 = 320.
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Simple Interest / Compound Interest Practice Questions with Answers
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