সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন 
Karim and Babu can build a wooden table in 3 days. Babu can do it alone in 5 days. How many days would it take Karim to do this job alone?
Karim and Babu can build a wooden table in 3 days. Babu can do it alone in 5 days. How many days would it take Karim to do this job alone?
- ক. 0.2
- খ. 7.5
- গ. 5.0
- ঘ. 6.4
সঠিক উত্তরঃ 7.5
এ সম্পর্কিত আরো প্রশ্ন দেখুন
- 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?
- A man and a boy together can complete a job in 81 days. Two man and three boys together can complete the job in 36 days. In how many can 4 men working together complete the job?
- 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 man and a boy can finish a job working together for 4 days. The man can work as much as two boys can do. Then in how many days can the man do it alone?
- Rumi and Rony can finish a task working together in 12 days. If Rony alone can finish that in 20 days, how many days will Rumi need to finish the task working alone?
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