Question
Quantitative Aptitude Question on Compound Interest
For the same principal amount, the compound interest for two years at 5% per annum exceeds the simple interest for three years at 3% per annum by Rs 1125. Then the principal amount in rupees is ?
[This Question was asked as TITA]
A
Rs. 60000
B
Rs. 70000
C
Rs. 100000
D
Rs. 90000
Answer
Rs. 90000
Explanation
Solution
Let the principal be P
Given (P×(1+1005)2−P)−(100P×3×3)=1125
⇒P(0.1025−0.09)=1125
⇒P=90000
So, the correct option is (D): Rs. 90000