 
 <translate> Two trains are moving at 85 kmph and 70 kmph in opposite directions. Their lengths are 150 m and 100 m respectively. The time they will take to pass each other completely is?
Options:
(A) 5 25/31 sec
(B) 7 1/17 sec
(C) 7 2/2 sec
(D) 8 1/2 sec
(E) 7 1/9 sec OK. Let's think. Some random thoughts first: <ibo> Ụgbọ okporo abụọ na-agba kilomita iri asatọ na ise n'otu elekere na kilomita iri asaa n'otu elekere n'ụzọ abụọ. Ogologo ha bụ 150 m na 100 m. Oge ha ga-ewe iji gafee ibe ha kpamkpam bụ? Nhọrọ: (A) 5 25/31 sec (B) 7 1/17 nke abụọ (C) 7 2/2 sec (D) 8 1/2 sec (E) 7 1/9 nke abụọ OK. Ka anyị chee echiche. Echiche ụfọdụ na-enweghị isi mbụ: 