Simple interest on a certain sum at a certaim annual rate is 4/9 of the sum if the number representing rate percent and time in year be eqaul then the rate of interest is?
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Answered by
1
Answer:
20/3
Step-by-step explanation: let sum=P, S.I=(4/9)P, T=R
S.I.= (P*R*T)/100
(4/9)P=(P*R^2)/100
400/9= R^2
R= 20/3
Answered by
0
20/3
Step-by-step explanation: let sum=P, S.I=(4/9)P, T=R
S.I.= (P*R*T)/100
(4/9)P=(P*R^2)/100
400/9= R^2
R= 20/3
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