Question

At what rate percent per annum will the interest on Rs 1305 amount to rs 1740 in 4 months ?

Answer 1

Principal = rs. 1305

Amount = rs. 1740

Time = 4 months

Time = 4/12 = 1/3 years

Amount = rs. 1740

P (1+R/100)^T = 1740

1305 (1+R/100)^T = 1740

(1+R/100)^T = 1740/1305

(1+R/100^1/3 = 348/261

(1+R/100) = 3√348 /216

R/100 = 3√348 /216-1

R/100 = 3√132/216

R/100 = .....

Also some mistake in question..

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