Quantitative Aptitude Ques 418
Question: The simple interest accured on a sum of certain principal is Rs. 7200 in 6 yr at the rate of 12% per annum. What would be the compound interest accured on that principal at the rate of 5% per annum in 2 yr? [BOB (PO) 2011]
Options:
A) Rs. 1020
B) Rs. 1000
C) Rs. 1025
D) Rs. 1035
E) None of these
Show Answer
Answer:
Correct Answer: C
Solution:
- Let the principle amount be Rs. x.
Then, $ 7200=\frac{x\times 6\times 12}{100} $
$ \Rightarrow $ $ x=Rs.,10000 $
Compound interest
$ =10000{{( 1+\frac{5}{100} )}^{2}}-10000 $
$ =Rs.,1025 $