সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন 
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?
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?
- ক. 12
- খ. 23
- গ. 6
- ঘ. 8
সঠিক উত্তরঃ 6
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?
- Six men can complete a work in 5 days if they work for 8 hours per day. How many days will 4 men take to do the same work if they work only 5 hours per day?
- Some persons can do a pice of work in 12 days. Two times the number of such persons will do half of that work in:
- If 15 men can reap a field in 35 days, in how many days will 21 men reap the field?
- 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?
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