Quantitative AptitudeSimple & Compound Interestmixed

Simple Interest Quiz

Practice quiz on Simple Interest (Numerical & Mental Ability). 10 exam-style questions with explanations.

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About This Quiz

Practice quiz on Simple Interest (Numerical & Mental Ability). 10 exam-style questions with explanations. Simple Interest Quiz is a free, 10-minute, 10-mark practice quiz on AajExam rated at mixed difficulty, designed to help candidates preparing for SSC, UPSC, Banking, Railway and State PSC government competitive exams sharpen their command of Simple & Compound Interest (Quantitative Aptitude). Every question on this quiz ships with a detailed step-by-step solution so you don't just learn the right answer — you learn the reasoning and shortcuts top scorers use to crack similar questions faster on the actual exam day. Why Simple Interest Quiz matters in your preparation: government exam-conducting bodies repeatedly draw questions from the same chapters and the same skill-clusters across recruitment cycles. By attempting focused topic-wise quizzes like this one, you build pattern recognition — the ability to spot which formula, rule or trick applies the moment you see a question. Toppers consistently report that 5-10 quizzes on a single topic delivers more exam-day score gain than 20+ unfocused full-length mocks, because targeted drilling exposes your specific sub-topic weaknesses with surgical precision. How to use this quiz effectively: attempt it in one sitting under the 10-minute timer, without referring to notes or external resources — simulate exam-day conditions exactly. After submission, review the auto-generated analytics to see your accuracy, time per question and section-wise performance. Then go through every wrong and skipped question with the explanation, mentally tagging the underlying concept rather than just memorising the answer. Revisit this quiz after 7-10 days; your second attempt should be 15-20% faster with noticeably better accuracy. After mastering this quiz, explore the 6 related quizzes linked below to broaden your topic coverage. AajExam quiz design principles: every quiz on the platform is curated by subject experts using the actual question formats, difficulty distributions and time pressures of the target government exams. We deliberately avoid generic "textbook" questions in favour of exam-replicating ones. Solutions are written in plain English (and Hindi where source material was bilingual), with step-by-step working for quantitative problems, grammar rules for English questions, and direct reference statements for general awareness items. Performance analytics after each attempt include accuracy, attempt rate, time spent per question, and an estimated all-India percentile so you know exactly where you stand against other candidates. This quiz is completely free to attempt. You only need a free AajExam account to track your performance across attempts, view detailed solutions and unlock the platform-wide analytics dashboard. The platform is mobile-friendly and works seamlessly on smartphones, tablets and desktops — so you can sharpen your Simple & Compound Interest (Quantitative Aptitude) skills in any spare 15-minute window.

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Simple Interest Quiz — Questions with Solutions

All 10 questions from this quiz with the correct answer and explanation. Attempt them yourself first, then open each solution to check your reasoning.

Q1.Find the simple interest on Rs 2,000 at 5% per annum for 3 years.
- A.Rs 350
- B.Rs 200
- C.Rs 250
- D.Rs 300
Show answer
Answer: D. Rs 300
2000 x 5 x 3 / 100.
Q2.A sum of Rs 1,500 at 8% p.a. gives interest of Rs 240 in
- A.3 years
- B.1 year
- C.4 years
- D.2 years
Show answer
Answer: D. 2 years
1500 x 8 x t/100 = 240.
Q3.At what rate will Rs 800 earn Rs 96 interest in 2 years?
- A.5%
- B.6%
- C.10%
- D.8%
Show answer
Answer: B. 6%
96 = 800 x r x 2/100.
Q4.The principal that earns Rs 600 interest in 3 years at 10% is
- A.Rs 2,000
- B.Rs 1,500
- C.Rs 3,000
- D.Rs 1,800
Show answer
Answer: A. Rs 2,000
600 x 100/(10x3).
Q5.Rs 5,000 at 12% simple interest for 6 months earns
- A.Rs 150
- B.Rs 360
- C.Rs 600
- D.Rs 300
Show answer
Answer: D. Rs 300
5000 x 12 x 0.5/100.
Q6.The amount for Rs 1,000 at 10% S.I. in 2 years is
- A.Rs 1,210
- B.Rs 1,100
- C.Rs 1,200
- D.Rs 1,020
Show answer
Answer: C. Rs 1,200
1000 + 200.
Q7.A sum doubles itself in 10 years at simple interest. The rate is
- A.15%
- B.10%
- C.5%
- D.20%
Show answer
Answer: B. 10%
100% in 10 years.
Q8.The simple interest on Rs 3,600 for 2 years at 5% per annum is
- A.Rs 360
- B.Rs 720
- C.Rs 300
- D.Rs 180
Show answer
Answer: A. Rs 360
3600 x 5 x 2/100.
Q9.Interest on Rs 1,200 at 5% for 4 months is
- A.Rs 20
- B.Rs 60
- C.Rs 15
- D.Rs 30
Show answer
Answer: A. Rs 20
1200 x 5 x (1/3)/100.
Q10.The formula for simple interest is
- A.P+R+T
- B.PRT/100
- C.P/RT
- D.P(1+R/100)^T
Show answer
Answer: B. PRT/100
SI = PRT/100.

Frequently Asked Questions

Is Simple Interest Quiz free to attempt on AajExam?

Yes. Simple Interest Quiz is completely free. You only need a free AajExam account to track your score, view detailed solutions and unlock cross-attempt analytics.

How long does it take to complete Simple Interest Quiz?

Simple Interest Quiz runs on a 10-minute timer in real exam-style conditions. The clock starts the moment you click Start, mirroring the time pressure of the actual exam.

Are detailed solutions provided?

Yes. Every question on Simple Interest Quiz ships with a complete step-by-step solution, the underlying concept, and (where applicable) shortcut tricks. You can also discuss any question with the AajExam community.

Can I attempt Simple Interest Quiz multiple times?

Yes. You can attempt this quiz as many times as you like. Each attempt is recorded separately so you can track improvement in score, accuracy and time-management.

Which government exams does this quiz prepare me for?

Simple & Compound Interest questions appear regularly in SSC CGL, CHSL, MTS, GD; IBPS PO, Clerk; SBI PO, Clerk; RRB NTPC, Group D; UPSC prelims and most State PSC exams. The specific weightage varies by exam — check the exam pattern on the corresponding AajExam exam page for details.