Question

What principle will yield an interest of rupees 81 in 9 years at percent per annum​

Answer 1

Answer:

Given, Principal = Rs. 450, Rate of interest =4.5% and simple interest = Rs. 81

Simple interest =

100

PRT

⇒81=

100

450×4.5×T

⇒81×100=450×4.5×T

⇒T=4 years

Step-by-step explanation:

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