 
<translate> Tambayar ita ce: Jirgin kasa mai tsawon mita 200 ya tsallaka gada mai tsawon mita 300 a cikin dakika 45. Menene saurin jirgin? Zaɓuɓɓuka: (A) 10 (B) 20 (C) 30 (D) 40 (E) 50 Tsarin tunani mataki-mataki: S = (200 + 300)/45 = 500/45 * 18/5 = 40 <eng> The question is: A train 200 meters long completely crosses a 300 meters long bridge in 45 seconds. What is the speed of the train is?
Options:
(A) 10
(B) 20
(C) 30
(D) 40
(E) 50
Step-by-step reasoning process: S = (200 + 300)/45 = 500/45 * 18/5 = 40
 