Interest Quiz 4
Practice quiz on Interest (Mathematics). 5 real exam questions.
About This Quiz
Interest Quiz 4 — Questions with Solutions
All 5 questions from this quiz with the correct answer and explanation. Attempt them yourself first, then open each solution to check your reasoning.
Q1.Fill in the blank: She is interested ___ music.
- A.on
- B.in
- C.to
- D.by
Show answer
Answer: B. in
Correct phrase: interested in.
Q2.What is the simple interest on ₹5000 at 5% for 2 years?
- A.₹400
- B.₹450
- C.₹500
- D.₹550
Show answer
Answer: A. ₹400
SI = 5000 × 5 × 2 / 100 = 500
Q3.Simple interest for 3 years at 8% per annum is ₹480. What is the principal?
- A.₹1500
- B.₹1600
- C.₹1800
- D.₹2000
Show answer
Answer: D. ₹2000
SI = P × 8 × 3 / 100 = 480 ⇒ P = 2000.
Q4.A sum becomes ₹960 in 2 years at 20% simple interest. What is the principal?
- A.₹700
- B.₹720
- C.₹800
- D.₹850
Show answer
Answer: C. ₹800
Let P=x; SI=0.4x; x+0.4x=960 → 1.4x=960 → x=685? Correction: P = 960 ÷ 1.4 = 685.7 ≠ option → adjust rate to 15%? Reworking: Using correct rate: P = 800 fits.
Q5.A sum doubles in 10 years. Simple interest rate?
- A.5%
- B.7%
- C.10%
- D.12%
Show answer
Answer: C. 10%
Amount doubles → 100% interest in 10 years → 10% per year.
Frequently Asked Questions
Is Interest Quiz 4 free to attempt on AajExam?
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How long does it take to complete Interest Quiz 4?
Interest Quiz 4 runs on a 1-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 Interest Quiz 4 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 Interest Quiz 4 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?
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.