)Padma invested Rs.30,000 in a finance company and received Rs.39,930 after3/2 years. Find the rate of interest per annum compound semi-annually.
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Answered by
0
Answer:
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Answered by
1
Answer:
20% per annum is the answer
Step-by-step explanation:
p=30000
a= 39930
t= 1 1/2 yrs = 3 hlf yrs
a = p (1+r/100)^t
39930 = 30000 (1+r/100)^3
39930/30000= (1+r/100)^3
11/10= 1+r/100
11/10 -1 = r/100
1/10 = r/100
1/10*100 =r
therefore 10% is rate semianually and 20% is the rate per annum
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