The banker’s discount on ` 1800 at 12% per annum is equal to the true discount on ` 1872 for the same time at… · ABC26GN5411
Subject: General Aptitude · Chapter: Banker’s Discount
The banker’s discount on ` 1800 at 12% per annum is equal to the true discount on ` 1872 for the same time at the same rate. Find the time.
Answer
No answer key was printed for this question.
Explanation
S.I. on ` 1800 = T.D. on ` 1872. ∴ P.W. of ` 1872 is ` 1800. ∴ ` 72 is S.I. on ` 1800 at 12%. 100 × 72 1 ∴ Time = year = year = 4 months. 12 × 1800 3
Explanation as extracted from the printed page; notation may be imperfect.