Find the simple interest on Rs. 68,800 at 16 2/3% per annum for 9 months.  Choose the correct choice from the following answers
A) s . 8600 B) s . 8000 C) s . 7500 D) s . 7000 E) s . 6500

Rationale: "p = rs . 68800 , r = 50 / 3 % p . a and t = 9 / 12 years = 3 / 4 years . s . i . = ( p * r * t ) / 100 = rs . ( 68,800 * ( 50 / 3 ) * ( 3 / 4 ) * ( 1 / 100 ) ) = rs . 8600 answer is a ."
Answer: A