1.

If the Simple Interest earned on acertain sum of money at 6% perannum for 2 years is Rs.700, find theCompound Interest earned on thesame sum of money at the same ratefor 2 years?​

Answer»

Step-by-step explanation:

p=700

r=6%

t=2 years.

formulae of C.I = [P*{1+R/100}^T] - P

PUTTING VALUES IN THE FORMULAE ;

[700*{1+6/100}^2]-700.

solving the equation

[700*{106/100}^2 ]-700.

[700*11236/10000]-700.  (square of 106=11236, 100= 10000)

[7*11236/100]-700.    

CANCELLATION of TWO ZEROS of 700 from zeros of 10000

now, multiplying 7 and 11236. we get

78,652/100 - 700.

786.52-700.

86.52.

HENCE C.I = 86.52.


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