Question: If the annual rate of simple interest increases from 10% to $ 12\frac{1}{2}%, $ a man’s yearly income increases by Rs. 1250. His principal (in Rs.) is
Options:
A) 50000
B) 45000
C) 60000
D) 65000
Show Answer
Answer:
Correct Answer: A
Solution:
- Change in $ SI=\frac{25}{2}-10=\frac{5}{2} $ %
$ \therefore $ $ \frac{5}{2} $ % of principal = Rs. 1250
$ \therefore $ Principal $ =\frac{1250\times 2\times 100}{5}=Rs.,50000 $