Math, asked by KevinbennyKEVIN1463, 7 months ago

If ratio of principal and amount us 20:21 then what is the rate of interest pa

Answers

Answered by venkatavineela3

1

Answer:

Step-by-step explanation:

Amount/principal=21/20

amount=21x

principal=20x

Simple interest=21x-20x=x

now

x=20x*1*r/100

r=5%

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