Question

In how much time will a sum of rs 400000 amount of rs 453690 at 13/2% per annum compound interest.​

Answer 1

Solution

Transcript

Given details are,

Time = 2years

Amount = Rs 453690

Rate be = 6.5 % per annum

Let principal be = Rs P

By using the formula,

A = P [(1 + R/100)^n

453690 = P [(1 + 6.5/100)^2]

453690 = P (106.5/100)^2

453690 = P × 106.5/100 × 106.5/100

P = (453690 × 100 × 100) / (106.5×106.5)

P = 4536900000/11342.25

= 400000

∴ Required sum is Rs 400000

Answer 2

Answer:

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Time = 2yrs.