The S.I. on a sum of money is one ninth of the principal and the number of years is equal to the rate percent per annum. Find the rate percent. 1. 2 1/3 % 2. 3 1/3% 3. 4 1/2% 4. 3 1/2%
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Let the principal be x .
Then S.I. is x/9 .
let time be y.
rate is also y%per annum.
p.r.t/100= S.I.
=>x.y.y/100= x/9
=>y^2= 100/9
=>y= 10/3
rate%= 10/3%per annum
.............
if it helped you please mark it as brainiest answer.Thank you.
Then S.I. is x/9 .
let time be y.
rate is also y%per annum.
p.r.t/100= S.I.
=>x.y.y/100= x/9
=>y^2= 100/9
=>y= 10/3
rate%= 10/3%per annum
.............
if it helped you please mark it as brainiest answer.Thank you.
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