4000 was divided into two parts such a way that when first part was invested at 3% and the second at 5%, the whole annual interest from both the investments is Rs.144, how much was put at 3%?	Choose the correct choice from the following answers.
A) 2800
B) 2500
C) 3000
D) 3500
E) 4000
(x*3*1)/100 + [(4000 - x)*5*1]/100 = 144   3x/100 + 200 â€“ 5x/100 = 144   2x/100 = 56 Ã¨ x = 2800   2800NSWER 2800
<result>A</result>
4000 was divided into two parts such a way that when first part was invested at 3% and the second at 5%, the whole annual interest from both the investments is Rs.144, how much was put at 3%?