Question

40. A certain sum at simple interest becomes Rs. 1,200 in 2 years andRs. 1,300 in 3 years, find the principal and interest percent per annum.​

Answer 1

Answer:

1200 for 2 year. 1300 for 3 year

Difference 100 for 1year

So for 3 years =300 rs intrest

Principle=1300-300=1000

Intrest=100/1000 *100=10

Principle=Rs.1000

INtrest=10%