Oracle Placement Paper -: SQL Questions With Answers

Oracle Previous Years Solved Sample Placement Papers

1. Choose the correct alternative:
   If 2x - y = 4 then 6x - 3y = ?
   

   A. 15

   B. 12 Answer: Option B

   C. 18

   D. 10

2. Choose the correct alternative:
   If x = y = 2z and xyz = 256, then what is the value of x?
   

   A. 12

   B. 8 Answer: Option B

   C. 16

   D. 6

3. Choose the correct alternative:
   (1/10)¹⁸ - (1/10)²⁰ = ?
   

   A. 99/10²⁰ Answer: Option A

   B. 99/10

   C. 0.9

   D. None of these

4. Choose the correct alternative:
   Pipe A can fill in 20 minutes, Pipe B in 30 minutes, and Pipe C can empty the same in 40 minutes. If all of them work together, find the time taken to fill the tank.
   

   A. 17 1/7 mins Answer: Option A

   B. 20 mins

   C. 8 mins

   D. None of these

5. Choose the correct alternative:
   Thirty men take 20 days to complete a job working 9 hours a day. How many hours a day should 40 men work to complete the job?
   

   A. 8 hrs

   B. 7 1/2 hrs Answer: Option B

   C. 7 hrs

   D. 9 hrs

6. Choose the correct alternative:
   Find the smallest number in a GP whose sum is 38 and product is 1728.
   

   A. 12

   B. 20

   C. 8 Answer: Option C

   D. None of these

7. Choose the correct alternative:
   A boat travels 20 km upstream in 6 hrs and 18 km downstream in 4 hrs. Find the speed of the boat in still water and the speed of the water current.
   

   A. 1/2 kmph

   B. 7/12 kmph Answer: Option B

   C. 5 kmph

   D. None of these

8. Choose the correct alternative:
   A goat is tied to one corner of a square plot of side 12m by a rope 7m long. Find the area it can graze.
   

   A. 38.5 sq.m Answer: Option A

   B. 155 sq.m

   C. 144 sq.m

   D. 19.25 sq.m

9. Choose the correct alternative:
   A 270 metres long train running at the speed of 120 kmph crosses another train running in the opposite direction at the speed of 80 kmph in 9 seconds. What is the length of the other train?
   

   A. 230 m Answer: Option A

   B. 240 m

   C. 260 m

   D. 320 m

   E. None of these

10. Choose the correct alternative:
    What is the output of the following code?
    

            void main() {
                int i;
                clrscr();
                for(i=1;i<6;++i)
                switch(i) {
                    case 1:
                    case 2: printf("%d,",i++); break;
                    case 3: continue;
                    case 4: printf("%d,",i);
                }
                printf("%d",i);
                getch();
            }
            

    Answer: 1,4,6

11. Choose the correct alternative:
    Which of the storage class(es) becomes the global variables for the entire program?
    

    A. Extern Answer: Option A

    B. Static

    C. Auto

    D. Register

12. Choose the correct alternative:
    What is the output of the program?
    

            void main() {
                char s[]="oracle is the best";
                char t[40];
                char *ss,*tt;
                while(*tt++=*ss++);
                printf("%s",t);
                getch();
            }
            

    A. oracle is the best

    B. Core dump Answer: Option B

    C. Error Message

    D. Goes into infinite loop