Kruti took a loan at simple interest rate of 6 p.c.p.a. in the first year and it increased by 1.5 p.c.p.a. every year. If she pays Rs. 8190 as interest at the end of 3 years, what was her loan amount ?
A. Rs. 35400
B. Rs. 36000
C. Rs. 36800
D. Cannot be determined
E. None of these
Answer: Option E
Solution (By Examveda Team)
Let the loan amount be Rs. x$$\eqalign{ & {\text{Then,}} \cr & \Rightarrow \frac{{6x}}{{100}} + \frac{{7.5x}}{{100}} + \frac{{9x}}{{100}} = 8190 \cr & \Rightarrow 22.5x = 819000 \cr & \Rightarrow x = 36400 \cr} $$
This Question Belongs to Arithmetic Ability >> Interest
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