সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন 
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?
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?
- ক. 5
- খ. 12
- গ. 10
- ঘ. 20
সঠিক উত্তরঃ 10
এ সম্পর্কিত আরো প্রশ্ন দেখুন
- A and B can do a work in 12 days. B and C can do it is 15 days and A and C can do it in 20 days. If all of them work together, in how many days they can finish the work?
- 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:
- A television service centre can process 8 television in 18 minutes. How many televisions can it process in 3 houres at this rate?
- 20 men can finish a work in 30 days. After how many days should 5 men leave the work so that the work may be finished in 35 days?
- If 5 men and 9 women can do a pice of work in 19 days, then in how many days will 3 men and 6 women do the same work?
There are no comments yet.