সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন 
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 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?
- ক. 30
- খ. 36
- গ. 38
- ঘ. 21
সঠিক উত্তরঃ এখানে সঠিক উত্তর নেই।
এ সম্পর্কিত আরো প্রশ্ন দেখুন
- 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?
- 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?
- If m men can do a job in 10 days, how many days it will take for 10 men to complete the job assuming that they work at the same rate?
- A laborer is paid Tk.20 per hour for an 8-hour day. If he works overtime (above 8 hours) in a single day, he is paid 1.5 times the rate he is paid for regular hours. If the laborer receive Tk.200 for a single day's work. How long did he work on that day?
- Three pipes are used to fill a pool with water. Individually they can fill the pool in 9 hours, 6 hours and 3 hours. How many minutes will it take to fill the pool if three pipes are used simultaneously?
There are no comments yet.