Question

plz solve this fast and step by step

Answer 1

Ans. 5%

Amount = 2315.25

Time = 3 years and principal = 2000

Amount = P(1+ r/100)™

2315.25 = 2000(1+ r/100)3

2315.25/2000 = (1+r/100)3

9261/8000 = (1+r/100)power 3

Cube root 9261/8000 = 1+ r/100

21/20 = 1 + r/ 100

Now take the l.c.m. of 100 and cross multiply it by 21

2100/20 = 100 + r

105 = 100 + r

R = 5%

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