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Recall that Belady’s anomaly is that the page-fault rate may increase as the number of allocated frames increases. Now, consider the following statements: S1: Random page replacement algorithm (where a page chosen at random is replaced) Suffers from Belady’s anomaly S2: LRU page replacement algorithm suffers from Belady’s anomaly Which of the following is CORRECT?
If the expected time of completion of a project is 60 weeks with a standard deviation of 5 weeks, the probability of completing the project in 50 weeks and 65 weeks respectively will be
Consider the following statements.
1. A Computed Tomography (CT) scan uses X-rays to make detailed pictures.
2. A CT scan can be used to study all parts of Human body.
3. CT scan can help determine how much the cancer has spread in body. This is called staging the cancer.
Which of the statements given above is/are correct?
 Which of the following statements best describes the main reasons for normalizing relational database? I. To achieve physical data independence.  II. To remove data anomalies (insertion, update, deletion, anomalies).  III.  To save space on Disk. 
Ramesh works A hours a day and rests B hours a day. This pattern continues for 1 week, with an exactly opposite pattern next week, and so on for four weeks. Every fifth week he adopts a new pattern which then continues for the next four weeks. When he works longer than he rests, his wage per hour is three times what he earns per hour when he rests longer than he works. The following table shows his daily working hours for the week numbered 1 to 13.   1st Week 5th Week 9th Week 13th Week Rest 3 4 5   Work 6 8 9 8   A week consists of six days and a month consists of four weeks. If Ramesh is paid Rs. 60 per working hour in the 1st week, what is his salary for the month? (Assume that he is paid half his wages for his resting hours on duty)
A labour union leader receives a certain sum that he uses for paying wages. His capital together with the weekly subsidy would just enable him to pay 64 men for 68 weeks. If he had 112 men at the same wage, his capital together with the weekly subsidy would just suffice for 17 weeks. How many men can be maintained for 34 weeks?
An accountant is paid a certain sum for paying daily wages to freelancers as per their work on weekly basis. With the help of total money which she receives on weekly basis and the capital she is having with her, she can pay 90 freelancers for 52 weeks. If she is having 120 freelancers in order to design the full course content and the same amount which she receives along with capital she is having would suffice her for next 26 weeks, then how many freelancers she can afford for next 39 weeks?
Who remarked about the East India Company that "The Company is an anomaly but it is part of a system where everything is an anomaly"?
একজন চাকরিজীবীর আয় ও ব্যয়ের অনুপার ২০ঃ ১৫ হলে, তার মাসিক সঞ্চয় আয়ের শতকরা কত অংশ?
একটি ট্রান্সফরমারের প্রাইমারি ও সেকেন্ডারি তারের ঘূর্ণনের অনুপাত 20ঃ 1 এবং সেকেন্ডারিতে 20 omega রোধ লাগানো আছে। যদি প্রাইমারিতে 220 V প্রয়োগ করা হয় তাহলে এর মধ্যে বিদ্যুৎ প্রবাহ হবে-