Question

what principal will amount to rupees 2600 in 3 years at 10% simple interest

Answer 1

Amount=Rs.2600
Time=3yrs
Rate=10%p.a.
Principal=x

SI=PRT/100
= x×10×3/100
=3x/10

Amount=P+SI
2600=x+3x/10
2600=13x/10
x=2600×10/13
x=200×10
x=2000

Principal=Rs.2000