- Soft Skills Courses
- PMT-101 Preparatory Course in General Mathematics (BPP)PMT-101
- Unit-14 Commercial MathematicsUnit-14

Unit-14 Commercial Mathematics
In this unit you will learn about profit and loss, various taxes, shares and debentures.
Find the rate of interest at which Rs.8000 amounts to Rs.9261 in 3 years, if the interest is compounded annually.

Your Answer has been submitted. The content will appear here after approval.
Please wait while your Answer is being submitted...

Your Answer has been submitted. The content will appear here after approval.
Please wait while your Answer is being submitted...
Answers
1 Answers

Learning Pundits Content Team
P = Rs.8000
A = Rs.9261
n = 3
Using formula (2), we get
A = P(1 + r)n
9261 = 8000(1 + r)3
9261/8000 = (1 + r)3
(21/20)3 = (1 + r)3
(1 + 1/20)3 = (1 + r)3
r = 1/20 = 0.05 = 5% per annum
Enter Your Question
Thank you for submitting a question
Your Question will appear here after moderation