Question

Ramesh invests rupees 12800 for the three years at the rate of 10% per annum compound interest find: (I) the sum due to Ramesh at the end of the first year. (ii) the interest he earns for the second year. (iii) the total amount due to him at the end of three years. ​

Answer 1

Answer:

given below

Step-by-step explanation:

P =Rs.12800

Rate of interest =10 %

(i) Interest for the first year =  

PRT

/100

⇒  

12800×10×1

/100

​  

=Rs.1280

Amount after first year=12800+1280=Rs.14080

(ii) For Second year

Principal =Rs.14080

R =10%

T =1 year

then Interest for second year=  

PRT

/100

⇒  

14080×10×1

/100

=Rs.1408

(iii) the total amount due to him at the end of three years

$1408+1280$ = 2688

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