Question

a sum of money is invested for 3 years at 11% per annum if it is invested for 5 years the interest increases by 5500 find the sum of money​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

Sum = 25000 Rs.

Explanation :

Let the required sum,

P = Rs xRate of interest,

R = 11% p.a

CASE 1 :

Time,

T1 = 3 yrs

I1 = PRT1100⇒I1 = x×11×3100⇒I1 = Rs(33x100)

CASE 2 :

Time, T2 =5 yrs

I2 = PRT2100⇒I2 = x×11×5100⇒I2 = Rs[55x100]

Now,

I2 − I1 = Rs 5500⇒55x100 − 33x100 = 5500⇒22x100 = 5500⇒x = 5500 × 10022 = 25000So,

required sum = Rs 25000