 <translate> 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%?
Options:
(A) 3377
(B) 2678
(C) 2800
(D) 2786
(E) 1981 Think first, then make a decision. Some random thoughts: <yor> 4000 ni a pin si awọn ẹya meji ni ọna ti nigbati apakan akọkọ ti wa ni idoko-owo ni 3% ati keji ni 5%, gbogbo anfani lododun lati awọn idoko-owo mejeeji jẹ Rs.144, iye wo ni a fi si 3%? Àwọn àyè: (A) 3377 (B) 2678 (C) 2800 ì ì (D) 2786 (E) 1981 Kó o kọ́kọ́ ronú, kó o tó ṣèpinnu. Àwọn ìrònú tí kò bára dé: 