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, 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 Salam makes a box every 5 minutes and Kalam takes 7 minutes to make a box, what will be the ratio of the number of boxees produced by Salam to the number of boxes produced by Kalam if they work for 5 hours and 50 minutes?
- 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?
- If a woman is paid Tk.m per hour every hour she works up to 8 hours and is paid double for every hour she workes after 8 hours, how much Tk will she be paid for working 13 hours?
- Nazir can wash his car 15 minures while his son takes twice as long. If they work together how many minutes will the job take them?
There are no comments yet.