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
- 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?
- 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?
- An empty pool is being filled with water at a constant rate. It takes 9 hours to fill 3/5 th of the pool. How much more time will it take to compeletely fill the pool?
- 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?
- After working for a total of 4 hours at temporary job we work told that we had just completed 1/4 of the task. How much longer in hour should it take us to finish the entire job?
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