Question

find the rate per annum if 4000 amount to rupees 5324 in one and half years interest being compounded half yearly
step by step pl​

Answer 1

rate of intrest = ?

time = 3 half years

5324/4000 = (1 + r/100)3

1331/1000 = (1 + r /100)3

(11/10)3 =  (1 + r /100 )3

so then cut the three

11/10 - 1 = r/100

1/10*100 = r

rate = 10 %

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