In how much time will the simple interest on a certain sum of money be \(\frac{7}{4}\) times of the sum at 14% per annum?
Answer & explanation
Correct answer: option 2
\(\frac{SI}{Principal}\) = \(\frac{7x}{4x}\)
S.I. = \(\frac{P × R × T}{100}\)
7x = \(\frac{4x × 14 × T}{100}\) ⇒ T = 12.5