on a certain sum the interest paid after 3 years is Rs 450 at 5% rate of interest per annum.find the sum

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Solution

$Let the sum = Rs P Rate of interest, R = 5 % p . a Time, T = 3 yrs Intersest = Rs 450 Now, SI = \frac{PRT}{100} \Rightarrow 450 = \frac{P \times 5 \times 3}{100} \Rightarrow 15 P = 45000 \Rightarrow P = 3000 So, the required sum = Rs 3000$

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on a certain sum the interest paid after 3 years is Rs 450 at 5% rate of interest per annum.find the sum

Let the sum = Rs PRate of interest, R = 5% p.aTime, T = 3 yrsIntersest = Rs 450Now, SI = PRT100⇒450 = P × 5 × 3100⇒15P = 45000⇒P = 3000So, the required sum = Rs 3000

$Let the sum = Rs P Rate of interest, R = 5 % p . a Time, T = 3 yrs Intersest = Rs 450 Now, SI = \frac{PRT}{100} \Rightarrow 450 = \frac{P \times 5 \times 3}{100} \Rightarrow 15 P = 45000 \Rightarrow P = 3000 So, the required sum = Rs 3000$