Question

Please solve this sum . ​

Answer 1

Answer:

let principal be x so amount = 6x

now according to question :-

SI = amount - principal = 6x-x = 5x

rate = SI * 100/ principal * time

rate = 5x*100/x*15 = 500/15 = 33.33%

so rate = 33.33%

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Answer 2

Answer:

for simple interest:-

let the sum of money I.e.principal be x

amount=6x

SI=amount-p

SI=p×r×t/100

a/q

6x-x=x×R×15/100

5x=x×R×15/100

5x×100/x×15=R

33.33=R

Rate percent=33.33%