 
<translate> Ajụjụ Otu nwoke na-eji ụgbọ epeepe ya akwọ ụgbọ ruo kilomita iri asaa na-agbada n'osimiri na kilomita iri anọ na ise na-agbagote, na-eji awa abụọ na ọkara akwọ ụgbọ epeepe nke ọ bụla. Chọta ọsọ nke iyi ahụ? Nhọrọ: (A) 1 kmph (B) 6 kmph (C) 5 kmph (D) 8 kmph (E) 7 kmph <eng> The question A man rows his boat 70 km downstream and 45 km upstream, taking 2 1/2 hours each time. Find the speed of the stream?
Options:
(A) 1 kmph
(B) 6 kmph
(C) 5 kmph
(D) 8 kmph
(E) 7 kmph 