Q133 of 140 Page 196

In how many years will the simple interest on a certain sum be 4.05 times the principal at 13.5 per cent per annum?

⇒ Let Principal = P, R = 13.5%, I = 4.05 times principal = 4.05 × P


Need to find T


⇒ we know that, I =


⇒ 4.05 × P =


⇒ T =


=


= 30year


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