Mathematics Previous Year Questions 2026 | RPF SI

Mathematics - MOST IMPORTANT RPF SI Previous Year Questions

Practice real questions from previous year exams of RPF SI.

📘 CI in a Specific Year📚 CI in nth Year
Q1
If the interest earned during the 2nd year on a certain sum is ₹6787, and the rate of interest is $10 \%$ per annum compounded annually, then the sum is:
🎯 RRB RPF SI 03/12/2024 (Shift-I)
📘 Basic Compound Interest Calculations📚 Misc
Q2
Mohit invested ₹10000 in two different schemes NSC and PPF at an annual compound interest rate of $14 \%$ and $11 \%$ respectively. If the total amount of interest received in 2 years is ₹ 2726, then what was the amount invested in PPF?
🎯 RRB RPF SI - 06/01/2019 (Shift-II)
📘 Periodic Investment Problems📚 Annual Investment at Beginning of Period
Q3
A woman invested ₹200 at the beginning of each year at a 5\% compound interest per annum. At the end of the second year her total investment amount will be.
🎯 RRB RPF SI - 11/01/2019 (Shift-I)
📘 Periodic Investment Problems📚 Half-Yearly or Periodic Deposits
Q4
A bank offers $\mathbf{2 . 6 \%}$ compound interest per annum calculate on a half - yearly basis. A customer deposits ₹8565 each on 1 January and 1 July of a year. At the end of the year, the amount he would have gained by way of interest is [Give your answer correct to 2 decimal places.]
🎯 RRB RPF SI 09/12/2024 (Shift-I)
📘 Periodic Investment Problems📚 Half-Yearly or Periodic Deposits
Q5
A bank offers $3.8 \%$ compound interest per annum calculated on a half - yearly basis. A customer deposits ₹2710 each on 1 January and 1 July of a year. At the end of the year, the amount he would have gained by way of interest is -[Give your answer correct to $\mathbf{2}$ decimal places.]
🎯 RRB RPF SI 09/12/2024 (Shift-I)
📘 Periodic Investment Problems📚 Half-Yearly or Periodic Deposits
Q6
A bank offers $8.8 \%$ compound interest per annum calculated on a half-yearly basis. A customer deposits ₹1924 each on 1 January and 1 July of a year. At the end of the year, the amount he would have gained by way of interest is $\_\_\_\_$ . [Give your answer correct to $\mathbf{2}$ decimal places.]
🎯 RRB RPF SI 02/12/2024 (Shift-II)
📘 Periodic Investment Problems📚 Half-Yearly or Periodic Deposits
Q7
A bank offers $6.6 \%$ compound interest per annum calculated on a half-yearly basis. A customer deposits ₹ 4823 each on 1 January and 1 July of a year. At the end of the year, the amount he would have gained by way of interest is . [Give your answer correct to 2 decimal places.]
🎯 RRB RPF SI 03/12/2024 (Shift-III)
📘 Periodic Investment Problems📚 Half-Yearly or Periodic Deposits
Q8
A bank offers $9.4 \%$ compound interest per annum calculated on a half-yearly basis. A customer deposits ₹8716 each on 1January and 1 July of a year. At the end of the year, the amount he would have gained by way of interest is $\_\_\_\_$ . [Give your answer correct to 2 decimal places.]
🎯 RRB RPF SI 03/12/2024 (Shift-II)
📘 Periodic Investment Problems📚 Half-Yearly or Periodic Deposits
Q9
A bank offers $9.6 \%$ compound interest per annum on a half-yearly basis. A customer deposits ₹8908 each on 1 January and 1 July of a year. At the end of the year, the amount he would have gained by way of interest is $\_\_\_\_$ . [Give your answer correct to 2 decimal places.]
🎯 RRB RPF SI 12/12/2024 (Shift-II)
📘 Periodic Investment Problems📚 Half-Yearly or Periodic Deposits
Q10
A bank offers $5.6 \%$ compound interest per annum calculated on a half-yearly basis. A customer deposits ₹7346 each on 1 January and 1 July of a year. At the end of the year, the amount he would have gained by way of interest is $\_\_\_\_$ . [Give your answer correct to $\mathbf{2}$ decimal places.
🎯 RRB RPF SI 09/12/2024 (Shift-III)
📘 Periodic Investment Problems📚 Half-Yearly or Periodic Deposits
Q11
A bank offers $6.8 \%$ compound interest per annum calculated on a half-yearly basis. A customer deposits ₹4879 each on 1 January and 1 July of a year. At the end of the year, the amount he would have gained by way of interest is $\_\_\_\_$ . [Give your answer correct to 2 decimal places.
🎯 RRB RPF SI 12/12/2024 (Shift-I)
📘 Periodic Investment Problems📚 Half-Yearly or Periodic Deposits
Q12
A bank offers $9.2 \%$ compound interest per annum calculated on a half-yearly basis. A customer deposits ₹2907 each on 1 January and 1 July of a year. At the end of the year, the amount he would have gained by way of interest is $\_\_\_\_$ [Give your answer correct to 2 decimal places.]
🎯 RRB RPF SI 12/12/2024 (Shift-I)
📘 Comparisons and Special Cases📚 SI vs CI Direct Comparison
Q13
If at same rate of interest, in 2 years, the simple interest is ₹60 and compound interest is ₹62, then what is the principle (in ₹ ) ?
🎯 RRB RPF SI 09/12/2024 (Shift-II)
📘 Comparisons and Special Cases📚 SI vs CI Direct Comparison
Q14
If at same rate of interest, in 2 years, the simple interest is ₹ 60 and compound interest is ₹ 64 , then what is the principal (in ₹)?
🎯 RRB RPF SI 03/12/2024 (Shift-III)
📘 Comparisons and Special Cases📚 SI vs CI Direct Comparison
Q15
If at same rate of interest, in 2 years, the simple interest is ₹60 and compound interest is ₹66, then what is the principal (in ₹)?
🎯 RRB RPF SI 02/12/2024 (Shift-II)
📘 Comparisons and Special Cases📚 SI vs CI Direct Comparison
Q16
If at same rate of interest, in 2 years, the simple interest is $₹ 60$ and compound interest is $₹ 63$, then what is the principal (in ₹)?
🎯 RRB RPF SI 09/12/2024 (Shift-II)
📘 SI vs CI Difference📚 Given Difference Find Principal Rate or Time
Q17
The difference between the simple interest and the compound interest, compounded annually, on a certain sum of money for 2 years at $6 \%$ per annum is ₹78. Find the sum. [Give your answer to integral number without rounded off.]
🎯 RRB RPF SI 02/12/2024 (Shift-I)
📘 Finding Rate of Interest📚 Given Principal Amount and Time
Q18
At what rate percent per annum will a certain sum of money multiply itself by 55 times in 2 years, the interest being compounded annually? [Give your answer correct to 1 decimal place.]
🎯 RRB RPF SI 02/12/2024 (Shift-III)
📘 Finding Rate of Interest📚 Given Principal Amount and Time
Q19
At what rate per cent per annum will a certain sum of money multiply itself by 97 times in 2 years, the interest being compounded annually? [Give your answer correct to 1 decimal place.]
🎯 RRB RPF SI 12/12/2024 (Shift-III)
📘 Finding Time Period📚 Given Principal Amount and Rate
Q20
Nidhi invested a sum of ₹9600 at $\mathbf{1 5 \%}$ per annum compound interest, componded annually. If she received an amount of ₹12696 after $\mathbf{n}$ years, the value of $\mathbf{n}$ is:
🎯 RRB RPF SI 03/12/2024 (Shift-II)