Question

please answer the 7th question

Answer 1

1st case---
Principal= 2000rs
Interest=500rs
Time=3 years
Interest=P*R*T/100
500rs=2000rs*R*3/100
500rs=6000*R/100
500rs=60*R
500rs/60=R
50/6%=25/3%=R

2nd case---
Principal=36000rs
Interest=?
Time=3 years
Rate=25/3%
S.I.=P*R*T/100
=36000*25*3/3*100
=360*25
=9000rs

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