at what rate% per annum compound interest on rs. 6400 will amount to rs.4872 in 3 years
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Answer:
A=P(r/100)^n
=>4872=6400(1+r/100)^3
=>(1+r/100)^3=4832/6000
=>(1+r/100)=(1624/2000)3×1/3
=>(100+r)/100=1624/2000
=>100+r=1624/2000×100=1624/20=>r=1624/20-100=-18.8%
Step-by-step explanation:
Amount should be greater than the principal.
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