সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন 
If 1/2 of the air in a tank is removed with each stroke of a vacuum pump, what fraction of the original amount of air has been removed after four strockes?
If 1/2 of the air in a tank is removed with each stroke of a vacuum pump, what fraction of the original amount of air has been removed after four strockes?
- ক. 15/16
- খ. 7/8
- গ. 1/4
- ঘ. 1/8
সঠিক উত্তরঃ 15/16
এ সম্পর্কিত আরো প্রশ্ন দেখুন
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- 3.002/2.002 =?
- 0.02 times 0.7 is:
- Which of the following is equal to 5.16 × 100000?
- A man binds 112 books iin a day and his assistant work 1/4 as fast. How many days will it take them to bind 560 books, if each alone works on alternate days?
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