alleryA ₹5,000 deposit earns 8% simple interest yearly for 2 years. Amount?
- ₹5,400
- ₹5,800
- ₹5,816
- ₹6,000
Show answer and solution
Correct answer: B. ₹5,800
Simple interest is ₹5,000 × 0.08 × 2 = ₹800, making ₹5,800.
RRB NTPC Simple & Compound Interest — practice questions
Explore 14 free Simple & Compound Interest questions in RRB NTPC Mathematics. Open each question or exercise to read its content, reference answers and available explanation.
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A ₹5,000 deposit earns 8% simple interest yearly for 2 years. Amount?Read the answer and worked solution →₹10,000 grows by 10% compounded yearly for 2 years. Final amount?Read the answer and worked solution →At 5% simple interest, how long for ₹8,000 to earn ₹1,200?Read the answer and worked solution →At 10% compounded annually, what is ₹6,000 after two years?Read the answer and worked solution →At 10% per year, ₹4,000 is compounded every half-year for one year. Amount?Read the answer and worked solution →What is the difference between simple and compound interest on ₹8,000 at 5% for two years?Read the answer and worked solution →Find simple interest on ₹12,000 at 7% yearly for three years.Read the answer and worked solution →A ₹5,000 sum earns 10% the first year and 5% the second. Compound amount?Read the answer and worked solution →₹10,000 is invested at 10% annually for three years. Compound amount?Read the answer and worked solution →After three years at 10% compound interest, an investment is ₹1,331. What was the principal?Read the answer and worked solution →At 8% simple interest for four years, ₹7,500 earns how much interest?Read the answer and worked solution →RRB NTPC · Calculate Simple InterestRead the answer and worked solution →RRB NTPC · Calculate Simple InterestRead the answer and worked solution →RRB NTPC · Final Amount with InterestRead the answer and worked solution →
Worked practice questions
₹10,000 grows by 10% compounded yearly for 2 years. Final amount?
- ₹12,000
- ₹12,100
- ₹12,200
- ₹12,500
Show answer and solution
Correct answer: B. ₹12,100
Compounding gives ₹10,000 × 1.1² = ₹12,100.
At 5% simple interest, how long for ₹8,000 to earn ₹1,200?
- 2 years
- 2.5 years
- 3 years
- 3.5 years
Show answer and solution
Correct answer: C. 3 years
Using interest = principal × rate × time gives 1,200 = 8,000 × 0.05 × t, so t is 3 years.
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