DSQ Placement Paper - Logical Reasoning And Grammer Questions

DSQ Previous Years Solved Sample Placement Papers

1. A group of 630 children is arranged in rows for a group photograph session. Each row contains three fewer children than the row in front of it. What number of rows is not possible?
   

   (a) 3

   (b) 4

   (c) 5

   (d) 6 (Ans)

2. Three identical cones with base radius r are placed on their bases so that each is touching the other two. The radius of the circle drawn through their vertices is:
   

   (a) smaller than r

   (b) equal to r

   (c) larger than r (Ans)

   (d) depends on the height of the cones

3. Let \( u = (\log x)^2 � 6 (\log_2 x) + 12 \), where \( x \) is a real number. Then the equation \( x^n = 256 \), has:
   

   (a) no solution for x

   (b) exactly one solution for x (Ans)

   (c) exactly two distinct solutions for x

   (d) exactly three distinct solutions for x

4. The average weight of students in a class is 50 kg. What is the number of students in the class?
   I. The heaviest and the lightest members of the class weigh 60 kg and 40 kg respectively.
   II. Exclusion of the heaviest and the lightest members from the class does not change the average weight of the students.
   

   (a) 1

   (b) 2

   (c) 3

   (d) 4 (Ans)

5. What is the profit percentage?
   I. The cost price is 80% of the selling price.
   II. The profit is Rs 50.
   

   (a) 1 (Ans)

   (b) 2

   (c) 3

   (d) 4

6. If in a certain language, ENTRY is coded as 12345 and STEADY is coded as 931785, then state the correct code for TENANT:
   

   (a) 956169

   (b) 196247

   (c) 352123

   (d) 312723 (Ans)

7. If SEDATE is coded similarly:
   

   (a) 918731 (Ans)

   (b) 954185

   (c) 814195

   (d) 614781

8. The code for NEATNESS is:
   

   (a) 25196577

   (b) 21732199 (Ans)

   (c) 21362199

   (d) 21823698

9. The code for ARREST is:
   

   (a) 744589

   (b) 744193 (Ans)

   (c) 166479

   (d) 745194

10. Why are DB connections not written directly in JSPs?
    

    (a) Response is slow

    (b) Not a standard J2EE architecture

    (c) Load Balancing is not possible

    (d) All the above

    (e) Both (b) and (c) (Ans)

11. How are multiple EJB instances managed?
    

    (a) Connection Pooling

    (b) Caching of EJB instances

    (c) EJB Passivation

    (d) All the above (Ans)

12. In JSP, how can you determine what HTTP method (GET or POST) was used by the client request?
    

    (a) by using request.getMethod() (Ans)

    (b) by using request.setMethod()

    (c) Impossible to know