 
 <translate> Aikin da P ya yi a rana guda = 1/24 Aikin da Q ya yi a rana guda = 1/9 Aikin da R ya yi a rana 1 = 1/12 Aikin da Q da R suka yi a rana guda = 1/9 + 1/12 = 7/36 Aikin da Q da R suka yi a cikin kwanaki 3 = 3 × 7/36 = 7/12 Sauran aikin = 1 <unk> 7/12 = 5/12 Yawan kwanakin da P zai iya gama sauran aikin = (5/12) / (1/24) = 10 Saboda haka, amsar ita ce (B). <yor> Iṣẹ́ tí P ṣe lọ́jọ́ kan = 1/24 Iṣẹ́ tí Q ṣe ní ọjọ́ kan = 1/9 Iṣẹ́ tí R ṣe ní ọjọ́ kan = 1/12 Iṣẹ́ tí Q àti R ṣe ní ọjọ́ kan = 1/9 + 1/12 = 7/36 Iṣẹ́ tí Q àti R ṣe ní ọjọ́ mẹ́ta = 3 × 7/36 = 7/12 Iṣẹ́ tó kù = 1 <unk> 7/12 = 5/12 Nọmba ọjọ ti P le pari iṣẹ to ku = (5/12) / (1/24) = 10 Nítorí náà, ìdáhùn náà ni (B). 