the si on a sum of money is 1/4 of the principal and the no of years is equal to the rate percent per annum fin the rate percentage
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SI=prt/100
so, p/4=prt/100
implies, rt/100=1/4
implies, rt=25
but r=t
so r^2=25
r=5
so rate=5% per annum
so, p/4=prt/100
implies, rt/100=1/4
implies, rt=25
but r=t
so r^2=25
r=5
so rate=5% per annum
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