 
<translate> Ned kwararre ne a kan abubuwan fashewa da ke tsere don kashe bam mai sa'o'i a bene na sama na wani gini. Ginin yana da matakai ashirin zuwa bene na sama, kuma Ned na iya hawa hawa ɗaya a cikin dakika goma sha ɗaya. Bam din na da sauran dakika 72 a kan mai ƙidayar lokaci, kuma Ned ya kwashe dakika 165 yana gudu zuwa saman matakala. Yaya tsawon lokacin da Ned zai yi don ya kashe bam ɗin lokacin da ya isa wurin? Amsar ita ce 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 