The simple interest on a certain sum at the rate of 16.25% for 4 years is Rs. 12600 less than the principal. Find out half of principal.
Answer & explanation
Correct answer: option 2
Total SI for 4 years = 16.25 × 4 = 65%
Let principal is = 100%
100 - 65% = 35%
given → 35% = 12600
1% = 360
⇒ 100 % = 36000
\(\frac{1}{2}\)(P) = 18000