Question
Sashi invested a certain amount of rupees ___ at simple
interest for 3 years. If the interest rate had been 5% higher, the investment would have earned Rs.___ more A) Â Rs.3600, Rs.540 B)Â Rs.1440, Rs.312 C)Â Rs.3500, Rs.525 D) Â Rs.2400, Rs.375Â Â Â ÂSolution
Rate of interest (more) =5% T=3 years Final Rate of interest (more) = 5*3 =15% The interest receives more=3600*(15 /100) = Rs.540 This satisfies the above condition. From option (B) Rate of interest (more) =5% T=3 years Final Rate of interest (more) = 5*3 =15% The interest receives more = 1440*(15/100) = Rs.216 This does not satisfy the above condition. From option (C) Rate of interest (more) =5% T=3 years Final Rate of interest (more) = 5*3 =15% The interest receives more=3500*(15 /100) =Rs.525 This satisfies the above condition. From option (D) Rate of interest (more) =5% T=3 years Final Rate of interest (more) = 5*3 =15% The interest receives more=2400*(15 /100) =Rs.360 This does not satisfy the above condition.Â
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