It takes 30 days to fill a laboratory dish with bacteria, If the size of the bacteria doubles each days, how long will it take for the bacteria to fill one-----half of the dish?
A. 10 days
B. 15 days
C. 24 days
D. 29 days
সঠিক উত্তরঃ
D.
29 days
Explanation:
Related Questions (Any University/Year)
- ঢাকা-আরিচা বাসে প্রথম 4 কিমি ভ্রমনের ভাড়া 10.00 টাকা, পরবর্তী 20 কিমি পর্যন্ত প্রতি কিলোমিটারের ভাড়া ৯০ পয়সা এবং পরবর্তী প্রতি কিলোমিটারের ভাড়া 70 পয়সা। 25 কিমি দূরত্বে ভ্রমনের ভাড়া কত?
- In Township K each property is taxed at 8 percent of its assessed value. If the assessed value of a property In Township K is increased from $20,000 to $24,000, by how much will the property tax increase?
- The ratio of Pens and Pencils in a shop is 3 : 2 respectively . The average number of Pens and Pencils is 180. What is the number of Pencils in the shop?
- Approximately what percent of Class X students play Table Tennis out of the total Class X students playing the different given games ?
- একটি আয়াতাকার ঘরের দৈর্ঘ্য বিস্তারের দ্বিগুণ। এর ক্ষেত্রফল ৫১২ বর্গমিটার হলে পরিসীমা কত মিটার?
- If s shirts can be purchased for d dollars, how many shirts can be purchased for t dollars?
- In a library system with 6 brances, 60 workers are employed. If no library has fewer than 7 workers and ne more then 11, what is the minimum number of workers in any two of the brances?
- Lamisa's age is 5 years more than twice Galib’s age. Zihan’s age is 13 years less than 10 times Galib’s age. If Zihan is 3 times as old as Lamisa, how old is Lamisa?
- Two boats on the opposite shores of a river start moving towards each other. When they pass each other they are 750 yards from one shoreline. They each continue to the opposite shore, immediately turn around and start back. When they meet again they are 250 yards from the other shoreline. Each boat maintains a constant speed throughout. How wide is the river?
- যদি একটি কাজ 9 জন লোক 12 দিনে করতে পারে, অতিরিক্ত 3 লোক করলে কাজটি কত দিনে শেষ হবে?
- You can now purchase 6 more oranges with Tk 72 because of reduction in price by 25%.Calculate the previous price of one dozen of oranges.
- Ehsan was preparing to make a tape from some of his favourite songs. He noticed that Hadi's song was 1 minute longer than Bonna's song. Duration of Niaj's song was 1 minute shorter than twice the duration of Bonna's song. If the total time for these songs is 12 minutes, how long is Niaj's song?
- Tk 500 is divided among A, B and C so that A has twice as much as B and B has thrice as much as C. how much did B receive?
- A woman was thirty years old when her daughter was born. Her age is now 6 years more than three times her daughter’s age. How old will be the daughter in 5 years?
- The average age of a team is 32.7 years. The average age of the males in the team is 33.2 years and the average age of the females is 32.2 years. What is the ratio of the number of females to the number of males in the team?
- If y% of x is 29.Then x=?
- Think of a number and then double the number. Then add 8 and multiply the result by 6. Now divide, the result by 12, then subtract the number you first thought out. What is the final result?
- Samantha went shopping and bought one red bag and 15 black bags. The cost of the red bag was 3 times the average cost of a black bag. If she had spent a total of Taka x for the bags, what was the cost of the red bag (in terms of x)
- If 6 workers can complete 9 identical job in 3 days, how long will it take 4 workers to complete 10 such jobs ?
- BG Mawla drove for h hours at a constant rate of r miles per hour. How many miles did he during the final 20 minutes for his drive?