Quantitative Aptitude Ques 1018

Question: A certain amount earns simple interest of Rs. 1750 after 7 yr. Had the interest been 2% more, how much more interest would it have earned?

Options:

A) Rs. 35

B) Rs. 350

C) Rs. 245

D) Cannot be determined

E) None of the above

Show Answer

Answer:

Correct Answer: D

Solution:

  • Let the principal be Rs. x and rate of interest be r% Case I $ \frac{x\times r\times 7}{100}=1750 $

$ \Rightarrow $ $ x\times r=\frac{1750\times 100}{7}=Rs\text{.}25000 $ Case II $ SI=\frac{x\times (r+2)\times 7}{100} $ which cannot be determined with the help of giver information.