Top 20 PYQs (2019–2019) — with Solutions & Shortcuts
SSC GD Constable Simple & Compound Interest is one of the most frequently tested topics — 20 previous year questions from 2019–2019 papers are included on this page. Each question comes with a step-by-step solution, common trap identified, and a time-saving shortcut.
If the difference between compound interest and simple interest on a sum for 2 years at 12% per annum is ₹144, what is the principal?
Q2Easy
At what rate per annum will ₹6,000 yield a simple interest of ₹1,200 in 4 years?
Q3Exam PatternEasy
At what rate per annum will the difference between compound interest and simple interest on ₹8,000 for 2 years be ₹80?
Q4Exam PatternEasy
A sum becomes ₹12,100 in 2 years at 10% per annum under compound interest. What would be the simple interest on the same sum for the same period at the same rate?
Q5Easy
Raj borrowed ₹5,000 at a simple interest rate of 8% per annum. How much interest will he pay after 3 years?
Q6Easy
The difference between compound interest and simple interest on ₹8,000 at 12.5% per annum for 2 years is:
Q7Exam PatternEasy
Priya lent ₹10,000 to her friend at 6% per annum simple interest. After how many months will the interest amount to ₹600?
Q8Exam PatternEasy
A sum of ₹5,000 is invested at 10% per annum for 2 years. What is the difference between the compound interest and simple interest earned?
Q9Exam PatternEasy
A principal of ₹10,000 is invested at 5% per annum. The difference between compound interest and simple interest for 3 years is ₹76.25. Which of the following is closest to this difference?
Q10Exam PatternEasy
The simple interest on a sum for 2 years at 8% per annum is ₹1,600. What will be the compound interest on the same sum at the same rate for the same period?
Q11Easy
In how many years will ₹4,500 amount to ₹5,400 at 5% per annum simple interest?
Q12Exam PatternEasy
A sum of ₹8,000 is lent at 5% per annum simple interest. What will be the total amount (Principal + Interest) after 4 years?
Q13Easy
A principal of ₹12,000 earns ₹2,880 as simple interest over a certain period at 8% per annum. What is the time period?
Q14Exam PatternMedium
At what rate per annum will the difference between compound interest and simple interest on ₹5,000 for 2 years be ₹50?
Q15Exam PatternMedium
A principal amount becomes ₹12,100 in 2 years at 10% per annum under compound interest. What would be the simple interest earned on the same principal for the same period and rate?
Q16Exam PatternMedium
₹5,000 becomes ₹6,050 in 2 years at compound interest. What is the rate of interest per annum?
Q17Exam PatternMedium
A sum of ₹8,000 is invested at 12% per annum. What is the difference between the compound interest and simple interest earned over 2 years?
Q18Exam PatternMedium
A sum of money becomes ₹2,420 in 2 years and ₹2,662 in 3 years at compound interest. What is the principal amount?
Q19Exam PatternMedium
A sum of ₹8,000 is invested at 10% per annum compound interest. What will be the amount after 2 years?
Q20Exam PatternMedium
Two sums of money are in the ratio 3:5. If both are invested at 6% simple interest per annum, the difference in their interests after 4 years will be ₹480. What is the larger sum?
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