Question

if meena give an interest of rupees 450 for 10 year at 9% per annum find the sum he borrowed



Answer it fast if know.
please.​

Answer 1

Answer:

₹500

Step-by-step explanation:

Let the sum of money be P.

Simple Interest (SI) = ₹450

Rate (R) = 9%

Time (T) = 10 years

SI = PRT/100

=> 450 = P × 9 × 10/100

=> 450 × 10/9 = P

=> P = ₹500

Hence, she borrowed ₹500.

Answer 2

Given :-

• Interest = Rs,450
• Rate = 9%
• Time = 10years

To Find :-

• Sum or Principal.

Formula :-

${:} \longrightarrow \sf{\sf{Interest\:= \: \dfrac{Principal \: \times \: Rate \: \times \: Time}{100} }}\\\\ {:} \longrightarrow \sf{\sf{450\:= \: \dfrac{Principal \: \times \: 9 \: \times \: 10}{100} }}\\\\ {:} \longrightarrow \sf{\sf{450\:= \: \dfrac{Principal \: \times \: 9 \: \times \: 1 \cancel0}{10 \cancel0} }}\\\\ {:} \longrightarrow \sf{\sf{450\:= \: \dfrac {Principal \: \times \: 9 }{10} }}\\\\ {:} \longrightarrow \sf{\sf{ \dfrac{450 \: \times \: 10}{9} \:= \:Principal \ }}\\\\ {:} \longrightarrow \sf{\sf{ \dfrac{4500}{9} \:= \:Principal \ }}\\\\ {:} \longrightarrow \sf{\bf{ 500\:= \:Principal \ }}$

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So, the Sum she borrowed was Rs,500

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