Question

P=8500,A=10200,R=12 1/2% SI, t will be

Answer 1

amt=p+si
so
si=10200-8500=1700
and si=p*r*t/100
so t=si*100/(p*r)=1700*100/(8500*12.5)=1.6year

Answer 2

P= 8500
A= 10200
R= 12 1/2%= 25/2%
SI= A-P
10200-8500
1700
T= SI×100/P×R
(1700×100)/(25/2×8500)yrs
1.6 yrs