Question

A what rate per cent per annum will the interest on Rs. 1305 amount to Rs. 1740 in 4 months ? the answer is 4% how pls method
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Answer 1

Answer:

10 %

Step-by-step explanation:

I = PTR/100

P = 1305

A = P+I

1740 = 1305 + I

I = 1740 - 1305

I = 435

T = 4 months = 4/12 = 1/3 years

R = ? Let R = r

435 = 1035 x 1/3 x r /100

435 = 435 r /100

435 = 4.35 r

By transposing 4.35 to the other side we get

r = 435/4.35

r = 100 %

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Answer 2

Answer:

The rate of interest is 100%

1305 becomes Rs. 1740 in 4 months.

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