If rag have pays an interest of ₹850 for 2 year on a sum of ₹ 6500

1.	If rag have pays an interest of ₹850 for 2 year on a sum of ₹ 6500, find the rate of interest
Answer» en Principal=₹ 6500 Time= 2 year Simple INTEREST= ₹ 850 To Find Rate =? Formula $\: \: \: \: \: \: \: \: \: \boxed{ \gray{ \sf SI= \dfrac{Principal× Rate×time}{100}}}$ Solution Principal=₹ 6500 Time= 2 year Simple Interest= ₹ 850 On Subtuting The VALUE in Formula $\implies \sf \: 850= \dfrac{6500× Rate×2}{100}$ $\implies\sf \dfrac{85000}{6500 \times 2}= Rate$ $\implies\sf \sf \: \dfrac{425}{65 }= Rate$ $~~~~~~~~\sf Rate = 6.5$ ____________________ Answer = 6.5%