Testbook Logo
Exams SuperCoaching Test Series Skill Academy
More
English
Hindi

Question

Download Solution PDF

P invests Rs (X − 5000) at a compound interest rate of R% per annum for 2 years, while Q invests Rs (X + 2000) at 2R% per annum for the same period. The ratio of their investments is given to be 5 : 7. Find the difference in the compound interest earned by A and B after 2 years.

This question was previously asked in
RRB PO Mains Memory Based Paper (Held On: 29 September 2024 Shift 1)
Download PDF Attempt Online
View all RRB Officer Scale - I Papers >
  1. 2400
  2. 12400
  3. 5600
  4. Can’t be determined
  5. None of these

Answer (Detailed Solution Below)

Option 4 : Can’t be determined
Free Tests
View all Free tests >
Free
Reasoning (Mock Test)
11 K Users
20 Questions 20 Marks 11 Mins
Start Now

Detailed Solution

Download Solution PDF

Calculation

So, [ X – 5000] / [ X + 2000] = 5 /7

Or, 5𝑋 + 10000 = 7X – 35000

Or, 2𝑋 = 45000

Or, 𝑋 = 22500

So, Investment of P and Q is Rs 17500 and Rs 24500 respectively.

We don’t know the value of R So, answer can’t be determined.

(d) Can’t be determined

Download Solution PDF
Latest RRB Officer Scale - I Updates

Last updated on Jul 3, 2025

-> The Institute of Banking Personnel Selection (IBPS) has officially released the Provisional Allotment under the Reserve List on 30th June 2025.  

-> As per the official notice, the Online Preliminary Examination is scheduled for 22nd and 23rd November 2025. However, the Mains Examination is scheduled for 28th December 2025. 

-> IBPS RRB Officer Scale 1 Notification 2025 is expected to be released in September 2025..

-> Prepare for the exam with IBPS RRB PO Previous Year Papers and secure yourself a  successful future in the leading banks. 

-> Attempt IBPS RRB PO Mock Test.  Also, attempt Free Baking Current Affairs Here

‹‹ Previous Ques
Next Ques ››

More Simple and Compound Both Questions

Q1.Simple interest received on a certain sum at a rate of simple interest of 5% for 2 years is Rs.780. If the rate of interest remains same, what will be the total amount at the time of withdrawal at the end of 5 years.  
Q2.Rs. 6400 invest in two schemes. First part gives 12% rate of interest and second part gives 20% rate of interest. Total interest after 2 years is Rs. 2176. Find the amount invest at 12% rate interest?
Q3.There is 20% increase in an amount in 4 years at simple interest. What will be the compound interest on Rs. 44500 after 2 years at the same rate of interest.
Q4.The difference between compound interest and simple interest for 3 years at the rate of 20% per annum is β‚Ή240. What is the principal lent?
Q5.Sarang invested some money in HDFC at 4% per annum rate of interest. What would be the corresponding simple interest (in β‚Ή) if after 2 years, Sarang got β‚Ή153 as compound interest, considering annual compounding?
Q6.If at same rate of interest, in 2 years, the simple interest is β‚Ή42 and compound interest is β‚Ή51, then what is the principal (in β‚Ή)?
Q7.An amount is invested at 10% per annum compound interest for 2 years, and the interest earned is β‚Ή945. What is the principal amount?
Q8.The simple interest on a certain sum at 6% per annum for three years is β‚Ή 1,200. Then, the compound interest on the same sum at the same rate for two years will be:
Q9.Simple interest and compound interest on a principal at a certain rate of interest for 2 years is Rs. 15000 and Rs. 18000 respectively. What is the principal?
Q10.The compound interest on a certain sum for 3 years at the rate of 10 percent per annum is Rs. 3310. What will be the simple interest on the same sum for 6 years of the same rate of interest? 

More Interest Questions

Q1.Simple interest received on a certain sum at a rate of simple interest of 5% for 2 years is Rs.780. If the rate of interest remains same, what will be the total amount at the time of withdrawal at the end of 5 years.  
Q2.Simple interest at 8% rate of interest for 10 years is Rs. 17600. Find the principle?
Q3.Rs. 6400 invest in two schemes. First part gives 12% rate of interest and second part gives 20% rate of interest. Total interest after 2 years is Rs. 2176. Find the amount invest at 12% rate interest?
Q4.A person invested Rs. 9,000 at certain rate of simple interest for 7 years. If the ratio between total interest received and the principal amount is 7 : 10. Find the value of simple interest.
Q5.The amount doubles itself under Simple interest in 3 years. In how many years will it become 52 times of itself? 
Q6.There is 20% increase in an amount in 4 years at simple interest. What will be the compound interest on Rs. 44500 after 2 years at the same rate of interest.
Q7.Ashok left a will of Rs.48300 for his two sons whose age are 16 and 17 years. They must get equal amounts when they are 19 years at 10% compound interest. Find the present share of the younger son. (In Rs.)
Q8.A lent a part of Rs.26200 to X at 10% simple interest. Rest to Y at 5% at simple interest. After 4 years he got an amount of Rs.34060 in total. Then what is the amount lent to Y? (In Rs.)
Q9.Mohit invested a certain sum of money at 6% per annum simple interest. If he receives an interest of β‚Ή41721 after 2 years, the sum (in β‚Ή) he invested is:
Q10.Find the compound intrest on β‚Ή20,000 at 20% p.a for 1\(\frac{1}{2}\) years compounded half yearly.
Suggested Test Series
View All >
IBPS RRB PO Mock Test Series 2025 (Pre + Mains)
462 Total Tests with 2 Free Tests
Start Free Test
All Banking & Insurance Previous Year Papers
285 Total Tests with   0 Free Tests
Start Free Test

More Quantitative Aptitude Questions

Q1.Perimeter of a rectangular field is equal to the perimeter of a triangular field whose sides are in the ratio 3:2:4 respectively. lf area of rectangular field is 500 m2 and sides are in the ratio 5:4 respectively, then calculate the longer side of the triangular field.
Q2.A cistern has an inlet pipe and an outlet pipe. Inlet pipe can fill three-fourth of the cistern in 24 minutes while outlet pipe can empty the one-third filled cistern in 16 minutes. If both the pipes are opened together, then the cistern will be completely filled in-
Q3.In a family, three sons were born for every 3 years one after the other. If the ratio of present ages of father and the eldest son is 15:7 and the average of the present ages of the 3 sons is 18 years. What will be the ratio of the ages of the father and the youngest son after 5 years?
Q4.Train A of length 80m while moving crosses a pole in 16 seconds. lf it is known that the lengths of train B and train A is in the ratio of 3:1, then how long would it take train B to cross a platform which is half the length of train A if the speed of train B is same as that of train A?
Q5.Can A and Can B contain a mixture of soda and water in the ratio of 5 : 3 and 7 : 2 respectively If soda and water are taken out in the ratio of P : Q from can A and B respectively to form a new mixture in which the ratio of soda and water is 12 : 5 respectively, then find the value Of P:Q?
Q6.A boat can covers a certain distance in upstream and same distance in downstream in total of 7 hours 48 minutes, If upstream speed of the boat is 62.5%. of downstream speed of the boat and speed of the stream is 3 km/h, what is the total distance covered by the boat?
Q7.M and R went for shopping and bought two sarees each at different cost. Cost price of saree bought by R is Rs.250 more than the cost price of saree bought by M. Shopkeeper earned a profit of 20% on selling both the sarees together to R and M which he bought them at total Rs.6000. At what cost did M buy saree?
Q8.There are three numbers m, n, and p, such that sum of m and n is 144, sum of thrice of n and five times of p is 464, and sum of p and m is 160, then what is the value of p?
Q9.While calculating average marks of 60 students, the two digits of original marks of a student are written reversed and thereby average of marks is increased by 0.6 Find the difference between the two digits of marks of the student?  
Q10.Simple interest received on a certain sum at a rate of simple interest of 5% for 2 years is Rs.780. If the rate of interest remains same, what will be the total amount at the time of withdrawal at the end of 5 years.  
Important Exams
SuperCoaching
Exams
Test Series
Previous Year Papers
Books
Objective Questions
Testbook Products & Resources for Students
Testbook USA SAT Exam
Testbook USA ACT Exam
US College Admissions Guide
Testbook Edu Solutions Pvt. Ltd.
1st & 2nd Floor, Zion Building,
Plot No. 273, Sector 10, Kharghar,
Navi Mumbai - 410210
[email protected]
Toll Free:1800 833 0800
Office Hours: 10 AM to 7 PM (all 7 days)
Company
About usCareers We are hiringTeach Online on TestbookPartnersMediaSitemap
Products
Test SeriesTestbook PassOnline CoursesOnline VideosPracticeBlogRefer & EarnBooks
Our Apps
Follow us on
Copyright Β© 2014-2022 Testbook Edu Solutions Pvt. Ltd.: All rights reserved
User PolicyTermsPrivacy
Get Free Access Now
Hot Links： teen patti win teen patti master apk teen patti master gold apk teen patti cash teen patti rich