Question

If the interest on rs 50 for 6 months is rs 30. Find the ratio of interest

Answer 1

Answer:-

• Principal=P=50
• Time=6months=1/2year=T
• Interest=I=30
• Rate of interest=R=?

We know that

$\boxed{\sf I=\dfrac{PRT}{100}}$

$\\ \rm\longmapsto R=\dfrac{100I}{PT}$

$\\ \rm\longmapsto R=\dfrac{100\times 30}{50\times \dfrac{1}{2}}$

$\\ \rm\longmapsto R=\dfrac{3000}{25}$

$\\ \rm\longmapsto R=120\%$