সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন 
A and B together can paint a wall in 3 days. A can do it alone in 5 days. How many days would it take B to do this job alone?
A and B together can paint a wall in 3 days. A can do it alone in 5 days. How many days would it take B to do this job alone?
- ক. 0.5
- খ. 7.5
- গ. 5.0
- ঘ. 6.4
সঠিক উত্তরঃ 7.5
এ সম্পর্কিত আরো প্রশ্ন দেখুন
- A time study specialist has set the production rate for each worker on a job at 22 units every therre hours. At this rate, what is the minimum number of workers that should be put on the job, if at least 90 units are to be produced per hour?
- A, B and C can complete a pice of work in 24, 6 and 12 days respectively. Working together, they will be complete the same work in:
- If 18 identical machines required 40 days to complete a job, how many fewer days would have been required to do the job if 6 additional machines of the same type had been used from the beginning?
- If a worker can packs 1/6 of a carton of canned food in 15 minutes and there are 40 workers in a factory, how many cartons should be packed in the factory in 5/3 hours?
- A mechanic repairs 4 cars in 5/3 hours. How many cars can he repair in 50 minutes?
There are no comments yet.