Please indicate all steps taken to solve this question clearly so it is easy to understand. Thank you.
The answer is 1.69 %( rounded to 2decimals)
Calculation
From the above question we can clearly interpret that there is no yearly compounding and it is simple interest
For simple caluculation purpose we will take principle amount is 100 (answer does not change with principle amount )
Interest for hundred rupees =100×0.04×5+100×0.2×2=60
So amount plus principle is 160
Let quarterly compounding rate is x
Caluculation of amount formulae
A=p(1+x)^nt
A= future value of amount
P= principle
N= no of times compounded per year
So 160=100(1+x)^4×7
8/5=(1+x)^28
1+x=1.6^1/28
By using caluculation x=0.0169
So effective compound interest rate is 1.69%
Cross check
In simple interest way 6000×0.04×5+6000×0.2×2=3600
Compounding interest
=6000×(1.069)^28= 3600
Please indicate all steps taken to solve this question clearly so it is easy to understand....
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