alleryA sum of Rs 12,500 is lent at 8% simple interest for 2 years. Interest earned?
- Rs 1,600
- Rs 2,500
- Rs 2,000
- Rs 1,000
Show answer and solution
Correct answer: C. Rs 2,000
12500 x 8 x 2 / 100 gives 2,000.
RRB NTPC Simple & Compound Interest — practice questions
Explore 56 free Simple & Compound Interest questions in RRB NTPC Quantitative Aptitude. Open each question or exercise to read its content, reference answers and available explanation.
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Showing questions 1–30 of 56.
A sum of Rs 12,500 is lent at 8% simple interest for 2 years. Interest earned?Read the answer and worked solution →What rate gives Rs 900 simple interest on Rs 6,000 in 3 years?Read the answer and worked solution →Rs 5,000 earns Rs 800 simple interest at 4% a year. For how many years?Read the answer and worked solution →The simple interest on a sum at 6% for 3 years is Rs 720. Find the sum.Read the answer and worked solution →A sum becomes three times itself in 10 years at simple interest. Rate?Read the answer and worked solution →How much simple interest does Rs 4,000 earn in 6 months at 10% a year?Read the answer and worked solution →Rs 7,800 is split so that 4% for 2 years on one part equals 6% for 3 years on the other. Larger part?Read the answer and worked solution →Rs 5,000 is borrowed at 10% and lent at 12% simple interest for 3 years. Net gain?Read the answer and worked solution →What is the compound interest on Rs 10,000 at 10% for 2 years, yearly compounding?Read the answer and worked solution →Rs 6,250 is deposited at 4% compounded yearly. Amount after 2 years?Read the answer and worked solution →Rs 2,500 grows at 20% compounded annually. What is it worth after 2 years?Read the answer and worked solution →What does Rs 4,000 amount to in 3 years at 10% compound interest?Read the answer and worked solution →Compound interest on Rs 2,000 for 3 years at 10% per annum is?Read the answer and worked solution →Rs 10,000 at 10% a year, compounded half-yearly. Amount after one year?Read the answer and worked solution →Rs 20,000 at 8% a year compounded quarterly for 6 months amounts to?Read the answer and worked solution →Difference between CI and SI on Rs 5,000 for 2 years at 10% per annum?Read the answer and worked solution →What is the CI minus SI on Rs 10,000 for 2 years at 5% per annum?Read the answer and worked solution →For 2 years at 6% the CI exceeds SI by Rs 36. What is the sum?Read the answer and worked solution →At compound interest a sum doubles in 3 years. In 9 years it becomes how many times?Read the answer and worked solution →A sum becomes 4 times in 2 years at CI. In 6 years it becomes?Read the answer and worked solution →Money triples in 5 years at compound interest. After 15 years it is how many times itself?Read the answer and worked solution →A population of 10,000 rises 10% each year. After 2 years it will be?Read the answer and worked solution →A machine worth Rs 20,000 loses 10% of its value yearly. Value after 2 years?Read the answer and worked solution →A car costing Rs 1,00,000 depreciates 20% a year. Its value after 2 years?Read the answer and worked solution →A culture of 40,000 bacteria grows 5% every hour. Count after 2 hours?Read the answer and worked solution →Rs 1,000 becomes Rs 1,210 in 2 years at compound interest. Annual rate?Read the answer and worked solution →Rs 2,500 grows to Rs 3,600 in 2 years under yearly compounding. Rate?Read the answer and worked solution →In how many years does Rs 10,000 become Rs 12,100 at 10% compounded yearly?Read the answer and worked solution →Rs 8,000 becomes Rs 12,500 at 25% compounded yearly. Time taken?Read the answer and worked solution →SI on a sum for 2 years at 10% is Rs 1,200. What is the CI for the same period?Read the answer and worked solution →
Worked practice questions
What rate gives Rs 900 simple interest on Rs 6,000 in 3 years?
- 6%
- 4%
- 7.5%
- 5%
Show answer and solution
Correct answer: D. 5%
Rate = 900 x 100 / (6000 x 3), which is 5 per cent.
Rs 5,000 earns Rs 800 simple interest at 4% a year. For how many years?
- 3 years
- 2 years
- 5 years
- 4 years
Show answer and solution
Correct answer: D. 4 years
Time = 800 x 100 / (5000 x 4) = 4 years.
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