Preeti N
Preeti N
7 years ago

A man invested Rs.1000 on a simple interest at a certain rate and Rs.1500 at 2% higher rate. The total interest in three years is Rs.390. What is the rate of interest for Rs.1000?

A. 4%

B. 5%

C. 6%

Answer: Option A

Solution(By Examveda Team)

Interest for a year = 390/3 = 130
Let interest rate is x
As per given problem
1000*X/100 + 1500*(x+2)/100 = 130
10X + 15X + 30 = 130
25X = 100
X = 4

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