Question: The simple interest accrued on a certain principal in 5 yr at the rate of 12% per annul is Rs. 1536. What amount of the simple interest would one get if one invests Rs. 1000 more than the previous principal for 2 yr and at the same rate per cent per annum?
Options:
A) Rs. 845.40
B) Rs. 614.40
C) Rs. 2136
D) Rs. 1536
E) None of these
Show Answer
Answer:
Correct Answer: E
Solution:
- In first condition,
$ 1536=\frac{x\times 12\times 5}{100} $
$ \Rightarrow $ $ x=\frac{1536\times 100}{60}=2560 $
In second condition
$ \text{SI=}\frac{3560\times 12\times 2}{100}=Rs\text{.}854\text{.40} $