12
18
21
27
Source: প্রতিরক্ষা মন্ত্রণালয়ের অধীন গুপ্ত সংকেত পরিদপ্তরের সাইফার অফিসার-২৮.০৪.২০০৫
Answer: 18
Explanation:
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You should read | Questions
Ranu and Rabu appeared at an examination. Rabu secured 9 marks more than Ranu and her marks was 56% of the sum of their marks. The marks obtained by both of them are ---
এর মান কত?
a+b =17 এবং ab=60 হলে a-b = কত?
A machine P can paint one lakh books in 8 hours; machine Q can print the same number of books in 10 hours while machine R can print them in 12 hours. All the machines started operating at 9 A. M. while machine P is stopped at 11 A. M. and the reamaining two machines completed the work. Approximately at what time will the work (to print one lakh books) be finished?
The ratio of the length to the width of a rectangular advertising display is approximately 3.3 to 2. If the width of the display is 8 meters, what is the approximate length of the display, in meters?
In a factory, there are workers, executives and clerks. 58% of the employees are workers, 660 are executives and the remaining 264 employees are clerks. How many employees are there in the factory?
In a certain recipe,214 cups of flour are called for to make a cake that serves 6.If Mrs. Jesmin wants to use to same recipe "to make a cake for 8, how many cups of flour must she use?
The difference between two numbers is 7 and their product is 60, then one of the two numbers must be ---
২০০ এর ১/২% এর সাথে ১০০ যোগ করলে সংখ্যাটি কত হবে?
ax2+b এর মান x=1 হলে 1 এবং x =3 হলে 25 হয়। x=2 হলে এর মান কত?
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কম্পিউটার এর প্রকারভেদ
যুদ্ধ, চুক্তি ও সম্মেলন
Tense
ছোট গল্প
বাংলা ভাষা ও বাংলা ব্যকরণ
বাংলাদেশের কৃষি, শিল্প, বাণিজ্য ও সম্পদ
নৌকা ও স্রোত (Boat and Stream)
জাতীয় ও আন্তর্জাতিক দিবস
বাংলা অনুবাদ
পরিভাষা
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