A sum of money triples itself in 8years. Find the rate of interest
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Let the sum be x.
Rate be r.
So,
x*r*8/100=3x-x
=>x*r*2/25=2x
=>x*r/25=x
=>r/25=1
=>r=25%
So, the rate of interest is 25% per annum.
Rate be r.
So,
x*r*8/100=3x-x
=>x*r*2/25=2x
=>x*r/25=x
=>r/25=1
=>r=25%
So, the rate of interest is 25% per annum.
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,i hope this will help you
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