SI and CI Questions for BOB Office Assistant Exam 2025

Simple Interest and Compound Interest questions are an important part of the Quantitative Aptitude section in the Bank of Baroda Office Assistant Exam 2025. These questions test a Student’s basic understanding of SI and CI concepts, along with their speed and accuracy in calculations. With regular practice and a good command of the formulas, aspirants can solve these questions quickly and improve their overall exam score.

SI and CI Questions for BOB Office Assistant Exam 2025

These are easy if you know the formulas and can do fast calculations. we have included some Simple Interest and Compound Interest questions. These questions are such as the asked in real bank exams. They are designed to help you understand the basic concepts and practice calculations using the correct formulas. With regular practice, you can boost your overall exam score and increase your chances of success.

What is Simple Interest and Compound Interest?

Simple Interest and Compound Interest are two ways to calculate interest on money. Simple Interest is used for short-term loans, while Compound Interest is common in savings and long-term investments. These questions follow the latest pattern and cover common types asked in recent banking exams.

• C.I: In Compound Interest, the interest is calculated on the principal plus the interest earned earlier. This means you earn “interest on interest,” so the money grows faster.
• S.I: In Simple Interest, the interest is always calculated on the original amount (called the principal). It is easy to understand and stays the same every year.

Q1. A sum becomes 1.6 times of itself in five years at simple rate of interest. Find rate of interest per annum?
(a) 10%
(b) 12.5%
(c) 15%
(d) 12%
(e) 8.5%

Q2. A sum is invested for 2 years with 20% rate on S.I. and the same sum invested for 2 years at 20% rate at C.I. If difference between interest earned in both scheme is Rs.160 then find the sum invested?
(a) Rs.2500
(b) Rs.1600
(c) Rs.1800
(d) Rs.2000
(e) Rs.4000

Q3. A man invested Rs.X at 15% p.a. at SI for 4 years and Rs.(1.35X) at 18% p.a. at SI for 3 years. If total interest received by man is Rs.15948, then find value of Rs.(3.12X).
(a) Rs.50544
(b) Rs.42764
(c) Rs.32580
(d) Rs.47372
(e) Rs.37440

Q4. A man received Rs.3456 when he invested Rs.P at 12% p.a. at SI for 3 years. If he invested Rs.(P + 4400) at 15% p.a. at CI compounding annually for 2 years, then find the interest received by him.
(a) Rs.4515
(b) Rs.4960
(c) Rs.4725
(d) Rs.4185
(e) Rs.4345

Q5. A man invested an amount in two schemes in the ratio of 2 : 3 at the rate of 20% p.a. and 10% p.a. on compound interest respectively. If the man gets a total interest of Rs.1208 after two years from both the schemes, the find amount invested by man?
(a) 6000 Rs.
(b) 4800 Rs.
(c) 5000 Rs.
(d) 4500 Rs.
(e) 4000 Rs.

Q6. If a man invests equal sum at the same rate of interest on simple interest for T and T+4 years and the respective ratio of interest gets by man is 1:2 respectively, then find ‘T’?
(a) 6
(b) 2
(c) 5
(d) 3
(e) 4

Q7. A borrowed Rs. P from B at 20% p.a. on compound interest annually. If A paid total amount of Rs.34,560 to B for settle his debt after three years, then find value of P?
(a) 16,000
(b) 24,000
(c) 20,000
(d) 15,000
(e) 25,000

Q8. The difference of the interest received when a sum is invested at 15% p.a. at SI for two years and the interest received when that sum is invested at 20% p.a. for one year compounded half yearly is Rs.432, find the sum?
(a) Rs. 5400
(b) Rs. 5000
(c) Rs. 4500
(d) Rs. 4000
(e) Rs. 4800

Q9. A and B invested same amount in two different schemes on simple interest for five years. A invested at the rate of 12% p.a. and B invested at the rate of 18% p.a. If difference between interest received by A and B is Rs.1440, then find the total amount invested by A and B together.
(a) Rs. 5400
(b) Rs. 9000
(c) Rs. 4800
(d) Rs. 9600
(e) Rs. 4500

Q10. A man invested Rs.4000 on simple interest at certain rate of interest for some years. If rate of interest is two times of the time for man invested and he received Rs.2880 as interest, then find the rate of interest.
(a) 20%
(b) 15%
(c) 9%
(d) 6%
(e) 12%