Question

Pls answer this question maths answer fast
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Answer 1

20000 Rs.

Interest @20% per annum=10% half yearly

If sum=x, then Compound Interest=x[1+(r/100)]^n -x , where r=rate ,n=year

So x[1+(10/100)]^4 -x = x[1+(20/100)]^2 -x + 482

x(1+0.1)^4 -x= x(1.2)^2 -x +482

1.4641x=1.44x+482

x=20000