A certain sum of money becomes three times of itself in 20 years at simple inte

Question

A certain sum of money becomes three times of itself in 20 years at simple interest in how many years does it become double of itself at the same rate?

Options:

A . 8 years

B . 10 Years

C . 12 years

D . 14 years

Answer: Option B

Let the sum be Rs x.
Then, S. I in 20 Years = Rs (3x - x) = Rs 2x

Now, Sum = Rs. x, Rate = 10 % p.a, S. I = Rs x
Therefore, Time =
= 10 Years

Was this answer helpful ?

Next Question

Submit Comment/FeedBack

More Questions on This Topic :

Question 1. If the annual rate of simple interest increases from 10 % to 12 ½ % a man's annual income increases by Rs. 1250. The p....man's annual income increases by Rs. 1250. The principle is?

Question 2. Simple interest on a certain sum at a certain amount and rate of interest is 25/16 of the sum. If the numbers represent....in years be equal than rate percent per annum is?

Question 3. Rs.2000 amount to Rs. 2600 in 5 years at simple interest if the interest rate were increased by 3 %. It would amount to....increased by 3 %. It would amount to how much?

Question 4. If the simple interest on a certain sum of money for 15 months at 7 ½ % p.a exceeds the simple interest on the same s....12 ½ % p.a by Rs.32.50. The sum is

Question 5. On a certain sum, the simple interest at the end of 12 ½ years becomes ¾ of the sum. What is the rate percent per ann....of the sum. What is the rate percent per annum?

Question 6. What will be the ratio of simple interest earned by certain amount at the same rate of interest for 6 years and that fo....of interest for 6 years and that for 9 years?

Question 7. Rs.1000 is invested at 5 % p.a simple interest if the interest is added to the principle after every 10 years. The amou....every 10 years. The amount will become Rs. 2000 After

Question 8. With a given rate of simple interest the ratio of the principle and amount for a certain period of time is 4: 5. After ....becomes 5: 7. The ratio of interest per annum is?

Question 9. A sum of money amounts to Rs. 9800 after 5 years and Rs. 12005 after 8 years at the same rate of simple interest. The r....of simple interest. The rate of interest per annum is:

Question 10. A certain amount earns simple interest of Rs. 1750 after 7 years. Had the interest been 2% more, how much more interest....2% more, how much more interest would it have earned?

Latest Videos

Chapter 1 - GLOBAL STEEL SCENARIO & INDI Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)

Direction Sense Test Part 1 Reasoning (Hindi)

Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE

Cube & Cuboid Part 1 Reasoning (Hindi)

Data Interpretation (DI) Basic Concept Reasoning (Hindi)

Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)

Sail E0 free webinar Webinars

Real Numbers Part 7 Class 10 Maths

Real Numbers Part 1 Class 10 Maths

Polynomials Part 1 Class 10 Maths

Latest Test Papers

Chapter 3.1 : Overview of Finance & Acco Chapter 3 : Finance & Accounts SAIL E0 - GFM 2024

Chapter 2.1 : Overview Chapter 2 : Materials Management SAIL E0 - GFM 2024

Chapter 1.1 : Personnel Functions- An ov Chapter 1 : Personnel Management SAIL E0 - GFM 2024

GPOE / GPA Combined 1 Free CBT Mock Test SAIL E0 2024

CBT Mixed Test 1 GPOE/GPA SAIL E0 2024

Menu

Popular Courses

Search

Submit Comment/FeedBack

More Questions on This Topic :

Latest Videos

Latest Test Papers