The simple interest on a certain sum for 8 months at 4% per annum is Rs.129 less

Check All Courses

Question

The simple interest on a certain sum for 8 months at 4% per annum is Rs.129 less than the simple interest on the same sum for 15 months at 5% per annum. The sum is :

Options:

A . Rs.2400

B . Rs.2,580

C . Rs.3600

D . Rs.2529

Answer: Option C
Answer: (c)Let the sum be x${x × 5 × 15}/{100 × 12} - {x × 4 × 8}/{100 × 12}$ = 129$x/{100 × 12}$(75 - 32) = 129$x = {129 × 1200}/43$ = Rs.3600Using Rule 13,$P_1 = P, R_1 = 4%$$T_1 = 8 months = 8/12$ years$P_2 = P, R_2$ = 5%$T_2 = 15 month = 15/12$ yearsS.I. = Rs.129129 = ${P × 5 × 15/12 - P × {4 × 8}/12}/100$12900 = ${75P - 32P}/12$12900 = ${43P}/12$P = Rs.3600

Was this answer helpful ?

Next Question

Submit Comment/FeedBack

More Questions on This Topic :

Question 1. A borrows Rs.800 at the rate of 12% per annum simple interest and B borrows Rs.910 at the rate of 10% per annum, simple ....many years will their amounts of debt be equal ?

Question 2. The simple interest on a sum of money is $1/4$th of the principal and the number of years is equal to rate per cent per ....rate per cent per annum. The rate per cent is

Question 3. A sum of Rs.1750 is divided into two parts such that the interests on the first part at 8% simple interest per annum and....are equal. The interest on each part (In rupees) is

Question 4. In how many years will the simple interest on a sum of money be equal to the principal at the rate of 16$2/3$% per annum....the principal at the rate of 16$2/3$% per annum ?

Question 5. The difference between simple interest and the true discount on Rs. 2400 due 4 years hence at 5% per annum simple intere....4 years hence at 5% per annum simple interest is

Question 6. Equal sum of money are lent to X and Y at 7.5% per annum for a period of 4 years and 5 years respectively. If the differ....by them was Rs.150, the sum lent to each was

Question 7. A sum of Rs.1500 is lent out in two parts in such a way that the simple interest on one part at 10% per annum for 5 year....4 years. The sum lent out at 12.5% is :

Question 8. If the simple interest for 6 years be equal to 30% of the principal, it will be equal to the principal after....

Question 9. Mohan lent some amount of money at 9% simple interest and an equal amount of money at 10% simple interest each for two y....Rs. 760, what amount was lent in each case ?

Question 10. Simple interest on Rs.500 for 4 years at 6.25% per annum is equal to the simple interest on Rs.400 at 5% per annum for a....a certain period of time. The period of time is

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