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In a company there are 252 engineers, in which the ratio of the number of electronics engineers and computer engineers is 2 ∶ 1. The ratio of the number of electronics engineers and computer engineers becomes 1 ∶ 1 after recruitment of some more computer engineers. The average age of all the engineers is now 22 years and the average age of the computer engineers is 2 years less than the average age of electronics engineers. (A) The average age (in years) of electronics engineers is 21 (B) The average age (in years) of computer engineers is 21 (C) The average age (in years) of electronics engineers is 23 (D) The average age (in years) of electronics engineers is 25 (E) The average age (in years) of computer engineers is 23 Choose the correct answer from the options given below: 
In the question below are given three statements followed by four conclusions I, II, III and IV. You have to take the given statements to be true even if they seem to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts. Statements: Some computer are phone. No computer is charger. Some charger are typewriter. Conclusions: I. All computer are typewriter. II. All phone are charger. III. Some charger are computer. IV. Some computer are not typewriter.
Aishwarya studies either computer science or mathematics everyday. If she studies computer science on a day, then the probability that she studies mathematics the next day is 0.6. If she studies mathematics on a day, then the, probability that she studies computer science the next day is 0.4. Given that Aishwarya studies computer science on Monday, what is the probability that she studies computer science on Wednesday?
Which of the following are methods of calculating goodwill?
1. Average profit method
2. Super profit method
3. Log method
4. Sum of years digit method
5. Capitalisation of average profit method
6. Capitalisation of super profit method
7. FIFO method
Select the correct answer:
In the following question, the first and the last part of the sentence/passage are numbered 1 and 6. The rest of the sentence/passage is split into four parts and named P, Q, R, S. These four parts are not given in their proper order. Read the sentence/passage and find out which of the four combinations is correct. S1. The modern-day computer has become an important part of our daily life. P. The mobile phone is also a type of computer because it fulfills all the criteria of being a computer. Q. Also, they are used in many fields like agriculture, designing, machinery making, defense, and many more. R. The computer is categorized into many different types like supercomputers, mainframes, personal computers (desktop), PDAs, laptops, etc. S. Nowadays, they use computers in every office whether private or government. S6. As the usage of computers increased it became a necessity for almost every field to use computers for their operations. 
Consider the statements given below and select the correct statement(s)
1. Computer-mediated communication (CMC) is defined as any human communication that occurs through the use of two or more electronic devices.
2. Computer-mediated Communication can be broken down into two forms i.e. synchronous and asynchronous.
3. Synchronous computer mediated communication refers to communication which occurs in real time.
4. Asynchronous computer mediated communication refers to communication which takes place when the parties engaged are not communicating in unison.
In the following question, sentences of a paragraph have been jumbled and labelled as A, B, C and D. You are required to rearrange the jumbled sentences of the paragraph and mark your response accordingly by selecting the correct option. A: The clamshell is opened up to use the computer. B: Laptops are folded shut for transportation, and thus are suitable for mobile use. C: Its name comes from the lap, as it was deemed to be placed on a person's lap when being used. D: A laptop (also laptop computer), often called a notebook, is a small, portable personal computer (PC) with a "clamshell" form factor, typically having a thin LCD or LED computer screen mounted on the inside of the upper lid of the clamshell and an alphanumeric keyboard on the inside of the lower lid.
On the basis of Memory size & performance, which type of computer is known as "Big iron"? A. Micro Computer B. Mini Computer C. Main Frame D. Super Computer
Consider a company that assembles computers. The probability of a faulty assembly of any computer is p. The company therefore subjects each computer to a testing process. This testing process gives the correct result for any computer with a probability of q. What is the probability of a computer being declared faulty?
In a college, there are total 221 students, who uses either computer or laptop or tablet. Some students replaced their computer with laptop and the number of laptop users increased to 77. Now, the number of the students, who do not use the computer, is 180. How many students replaced their computer with laptop?