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If Meena gives an interest of Rs 45 for one year at 9% rate p.a. What is the sum she has borrowed?

Q.11.    If Meena gives an interest of Rs 45 for one year at 9% rate p.a. What is the sum she has borrowed?
 

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M manish

Given that,
Principal =?
Interest = Rs 45
Time = 1 year

Rate= 9% p.a

Therefore, 
Principal = \frac{100\times I}{R\times T}
                       = \frac{100\times 45}{9\times 1} = Rs\ 500

Hence she borrowed total Rs 500

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