সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন 
A and B can do a work in 12 days. B and C can do it is 15 days and A and C can do it in 20 days. If all of them work together, in how many days they can finish the work?
A and B can do a work in 12 days. B and C can do it is 15 days and A and C can do it in 20 days. If all of them work together, in how many days they can finish the work?
- ক. 25
- খ. 9
- গ. 12
- ঘ. 10
সঠিক উত্তরঃ 10
এ সম্পর্কিত আরো প্রশ্ন দেখুন
- If ‘x’ men can do a work in 8 days and ‘x + 4’ men can do it in 6 days, what is the value of ‘x’?
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- Worker W produces n units in 5 hours, workers W & V working independently but at same time produces n units in 2 hours. How long would it take V alone to produce n units?
- 20 men can finish a work in 30 days. After how many days should 5 men leave the work so that the work may be finished in 35 days?
- Ram can do a job in 20 days while Sham can do the same job in 25 days. After working for 10 days together, Sham left and Ram finished the job. How many days did Ram take to finish the job?
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