A sum was put a simple interest at a certain rate for 4 years. Had it been put at 3% higher rate, it would have fetched Rs. 120 more. The sum is: Select
A) s.750 B) s.1000 C) s.1250 D) s.1500 E) s.1750
Explanation :   Let the sub be Rs.x and the initial rate be R%.Then   x Ã— (R+3) Ã— 4/100âˆ’xÃ—RÃ—4/100=120   â‡’x Ã— 3Ã—4/100=120   â‡’x Ã— 4 /100=40   â‡’4x=4000   â‡’x=1000   Answer : Option s.1000
<result>B</result>
A sum was put a simple interest at a certain rate for 4 years. Had it been put at 3% higher rate, it would have fetched Rs. 120 more. The sum is: