Quantitative Aptitude Ques 2422

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 $