Question

How to find the rate if principal is 1500 amount is 1900 time is 3

Answer 1

$rate = \: si \times 100 \div \: p \times t$

let we take x

p= 1500

A= 1900

T= 3

A= P+ I

1900=1500+x

x= 1500/1900

x= 15/19

R=I ×100/P× T

15×100/1500×3×19

ans.= 57%