Question

at what rate% annum will rupees 630 produces a interest of 126 in 4 years

Answer 1

Principal=630
let rate of interest be r% p.a
interest =126
time =4 yrs.
ATP
s.i =prt/100
126=630×r×4/100
r=126×100/630×4
r=5%
ans rate of interest is r% p.a
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Answer 2

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