1. How error detection and correction is done?

A. By passing it through the equalizer B. By passing it through the filter C. By amplifying it D. By adding redundancy bits

Answer: Option (D)
Explanation: The error can be detected and corrected by adding additional information that is by adding redundancy bits.
2. Which can detect two-bit errors?

A. Parity check B. Cyclic redundancy check C. Parity & Cyclic redundancy check D. None of the mentioned

Answer: Option (B)
Explanation: CRC is more powerful and it can detect various kind of errors like 2-bit errors.
3. Despite inflation which has resulted in increased prices of raw materials, a city book manufacturer decided not to increase the price of his books. Instead, he decided to use low-priced inferior material. This, he feels will not result in any change in business and continue to give him the same profits as earlier.
Which of the following, if true, strengthens the above argument?

A. Most other booksellers in the market charge almost the same as what this book manufacturer does. B. The fashion of reading books is fast catching up with the people in urban society and they are unmindful of the price. C. Most readers are unmindful of the quality of books so far as the print is legible. D. The WTO predicated that inflation in cities would come down in the coming days. E. None of these.

Answer: Option (C)
Explanation: The correct answer is (c). The manufacturer decides to use cheaper material without changing the cost of his books and hopes for the same profit. His assumption is, people will not mind the cheaper quality. The cheaper material shall result in the same is shown to be true in (c). [To. strengthen an argument, we should show the assumption to be true]. The other choices are irrelevant or out of scope.
4. PEREMPTORY

A. Dictatorial B. Military C. Unexpected D. Unreasonable

Answer: Option (A)
5. Choose the correct statement :

A. Although he was hurt, he continued to walk. B. Although he was hurt, he continued to walk. C. He was hurt, he continued to walk. D. Although he continued to walk, he was hurt.

Answer: Option (B)
Explanation: The correct statement is: Although he was hurt, he continued to walk. We don’t use although and but together. To link two clauses, we just use one conjunction.

1. Adarsh is eleventh from the left end and Naveen is 20th from the right end in a row. If they interchange their positions, Adarsh becomes fifteenth from the left end. How many persons are there in the row?

A. 36 B. 35 C. 33 D. 34 E. None of these

Answer: Option (D)
Explanation As Adarsh position from the left end is 11. And Naveen position from right end is 20 and after interchanging their position will be interchanged i.e now Naveen is 11 from the left end and Adarsh is 20 from right end and it is given that after interchange Adarsh is 15th from the left end so total persons = (left + right)-1= 15+20-1= 34.
2. If FRIEND is coded as HUMJTK, how is CANDLE written in that code?

A. EDRIRL B. DCQHQK C. DEQJQM D. FYOBOC

Answer: Option (A)
Explanation The first, second, third, fourth, fifth and sixth letters of the word are respectively moved two, three, four, five, six and seven steps forward to obtain the corresponding letters of the code. So CANDLE will be coded as EDRIRL.
Direction (3): In each of the questions below consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and
Give answer
(A) If the data in statement I alone are sufficient to answer the question, while the data in statement II alone are not sufficient to answer the question (B) If the data in statement II alone are sufficient to answer the question, while the data in statement I alone are not sufficient to answer the question (C) If the data either in statement I alone or in statement II alone are sufficient to answer the question (D) If the data given in both statements I and II together are not sufficient to answer the question and (E) If the data in both statements I and II together are necessary to answer the question.
3. How is F related to P? Statements: i. P has two sisters M and N. ii. F's mother is the sister of M's father.

A. I alone is sufficient while II alone is not sufficient B. II alone is sufficient while I alone is not sufficient C. Either I or II is sufficient D. Neither I nor II is sufficient E. Both I and II are sufficient

Answer: Option (E)
Explanation From I and II, we conclude that P is M's brother and so M's father is P's father. So, F is the child of the sister of P's father i.e. F's mother is P's aunt or F is P's cousin.
4. One morning Sujata started to walk towards the Sun. After covering some distance she turned to right then again to the right and after covering some distance she again turns to the right. Now in which direction is she facing?

A. North B. South C. North-East D. South-West

Answer: Option (A)
Explanation

Hence finally Sujata will face towards North.
5. Introducing a boy, a girl said, "He is the son of the daughter of the father of my uncle." How is the boy related to the girl?

A. Brother B. Nephew C. Uncle D. Son-in-law

Answer: Option (A)
Explanation The father of the boy's uncle → the grandfather of the boy and daughter of the grandfather → sister of the father.

1. In following question, a number series is given with one term missing. Choose the correct alternative that will same pattern and fill in the blank spaces. 20, 19, 17, x , 10, 5

A. 12 B. 13 C. 14 D. 15

Answer: Option (C)
Explanation: The Pattern is - 1, - 2,... .'. Missing number = 17 - 3 = 14.
2. In the following question, a number series is given with one term missing. Choose the correct alternative that will the same pattern and fills in the blank spaces. 6, 11, 21, 36, 56,

A. 42 B. 51 C. 81 D. 91

Answer: Option (C)
Explanation: The pattern is + 5, + 10, + 15, + 20,.... .'. Missing Number = 56 + 25 = 81.
3. If Raj was one-third as old as Rahim 5 years back and Raj is 17 years old now, How old is Rahim now?

A. 40 B. 41 C. 36 D. 48

Answer: Option (B)
Explanation: Raj’s age today = 17 decades, Hence, 5 decades back, he must be 12 years old. Rahim must be 36 years old, Because (3×12). 5 years back Rahim must be 41 years old today. Because (36+5).
4. An athlete runs 200 meters in 24 seconds. His speed is?

A. 10 km/hr B. 17 k/hr C. 27 km/hr D. 30 km/hr

Answer: Option (D)
Explanation: Speed=[latex]\frac{Distance}{Time}[/latex] =[latex]\frac{200}{24}[/latex]m/sec =[latex]\frac{25}{3}[/latex]m/sec =[latex]\frac{25}{3}[/latex]∗[latex]\frac{18}{5}[/latex]km/hr=30km/hr
5. A grocer has a sale of Rs. 6435, Rs. 6927, Rs. 6855, Rs. 7230 and Rs. 6562 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Rs. 6500?

A. Rs. 4991 B. Rs. 5991 C. Rs. 6001 D. Rs. 6991

Answer: Option (A)
Explanation: Total sale for 5 months = Rs. (6435 + 6927 + 6855 + 7230 + 6562) = Rs. 34009. Required sale = Rs. [ (6500 x 6) - 34009 ] = Rs. (39000 - 34009) = Rs. 4991.