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SimpleInterest Basics and Problem Solving

Simple Interest  Basics and the Problem Solving mechanisms are mentioned below. All Students who are preparing for the Govt Exams or Any other exams it will be helpful.

About Simple-Interest Basics and problem Solving :

Formula:

Simple Interest (S.I)=  PTR/100;

where  P= Principle , T=Time ,  R= Rate Of Intrest   these are the terms used in the problem solving mechanisms

• I=PTR/100,

• P=100*I/TR

• T=100*I/PR

• R= 100*I/PT

1)   Find the simple Interest on 6,000 for 4 years at 15%  Per Anum ?

A)   our Formula is I=PTR/100,

          I=6,000*4*15/100;

          I=3,600.


 2)   On what sum of money will the Simple-Interest  be 2,000 in  5 Years at 8% per Annum?


A)   Interest is 2,000  time= 5 years  Rate of Interest = 8%

       I=TR%

       I=5*8%;
   
       I= 40%

 for 40 %---------> 2,000
     
        100%--------->  ?

      100/40 * 2,000= 5,000(Answer)


3)  The Simple Interest on 6,400 at 12 1/2%  per Ann um Interest is 2,000 Find the Period?

A)  Principal =6,400

      Rate of Interest is 25/2;

      I=2,000

    TR%=1* 25/2;

    6,400 * 25/2* 100 = 800


    1 Year = 800

    ? years------> 2,000    =>   2,000/800= 5/2 (2.5 years)


4)  What sum will amount of Rs 1920/- in 4 Years at  15% per Annum ?

A)  Principle  =?;

      Amount=1,920     Time = 4 Years  Rate of Interest = 15%  A=Principle+ Interest


    Amount = 100 % + 60 %

    160% -------> 1,920

   100%----------> ?


  100/160 * 1,920  = 1200 (Answer)