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
- 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?
- If 8 men can do a job in 12 days, what is the percentage increase in the number of days required to do the job when 2 men are released?
- 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?
- 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’?
- Faruk can complete a task in 20 days. He gets 2 assistants- each of whome can work as fast as he does. If all of them work together for 5 days, what percentage of the task will be complete?
There are no comments yet.