 
<translate> Ned bụ ọkachamara n'ihe ndị na-agbawa agbawa nke na-agba ọsọ iji gbanyụọ bọmbụ e tinyere oge na ya n'okpukpu nke elu nke otu ụlọ. Ụlọ ahụ nwere steepụ iri abụọ na-eduga n'okpukpu nke elu, Ned pụkwara ịgba ọsọ gbagote otu steepụ n'ime sekọnd iri na otu. Ogbunigwe oge ahụ nwere sekọnd iri asaa na abụọ fọdụrụ na ya, Ned ejirila sekọnd iri isii na ise gbagoo n'elu steepụ. Ole sekọnd ole ka Ned ga-enwe iji gbanyụọ bọmbụ ahụ mgbe o ruru ya? Azịza ya bụ 17 <eng> Ned is an explosives specialist racing to deactivate a time bomb on the top floor of a building. The building has twenty flights of stairs to the top floor, and Ned can run up one flight of stairs in eleven seconds. The time bomb has 72 seconds left on the timer, and Ned has spent 165 seconds running up the stairs. How many seconds will Ned have to diffuse the bomb when he reaches it?
The answer is 17 