CA
Placement Paper :-
1. Mr. Smith drove at an average speed of 50mph for the first two hours of his trip. For the next three hours, he averaged 20 mph. What was Mr. Smith`s average speed for the five-hour trip ?
20 mph
32 mph
35 mph
38 mph
2. A postal truck leaves its station and heads for Chicago, averaging 40mph. An error in the mailing schedule is spotted and 24 minutes after the truck leaves, a car is sent to overtake the truck. If the car averages 50mph, how long will it take to catch the postal truck?
1.6 hours
3 hours
2 hours
1.5 hours
3. The length breadth and height of a cuboid are in the ratio 1 : 2 :3. The length, breadth and height of the cuboid are increased by 100%, 200% and 200% respectively. Then the increase in the volume of the cuboid is
5 times
6 times
12 times
17 times
4. An Automobile covers the distance between two cities at a speed of 60km. per hour and on the return journey it covers at a speed of 40 km. per hour. Find the average speed.
60
50
48
55
5. A man buys 200 shares (par value of Rs.10) of a company, which pays 12% per annum as dividend, at such a price he gets 15% on his money. Find the market value(app.) of a share.
Rs. 9
Rs. 12
Rs. 8
Rs. 7.50
6. what is the o/p
printf(" Hello \o is the world ");
Ans : Hello is the world.
7. Clarifying the concept addresses used over array ; ie changing the address of a base element produces what error?
13. child process -- fork
child shell -- sh
8. Answer are lex 7 yacc & man read these things in UNIX
9. What is
int *p(char (*s)[])
Ans : p is a function which is returning a pointer to
10. Using pointer, changing A to B and B to A is Swapping the function using two address and one temperory variable. a,b are address, t is temporary variable. How function look like?
Ans : swap(int *, int *, int )
11. In 'o' how are the arguments passed?
ans : by value.
12. Find the prototype of sine function.
Ans : extern double sin(double)
13. Scope of a global variable which is declared as static?
ans : File
14. ASCII problem
i=..
ans : 6
15. Which of following is used for back-up files?
(a) compress (b) Tar (c) make (d) all the above Ans : b
16. what does find command do ? Ans : search a file
17. what does " calloc" do?
Ans : A memory allocation and initialising to zero.
18. what does exit() do?
Ans : come out of executing programme.
19. what is the value of 'i'?
i=strlen("Blue")+strlen("People")/strlen("Red")-strlen
("green")
Ans : 1
20. i=2
printf("%old %old %old %old ",i, i++,i--,i++);
Ans : check the answer.
1. Mr. Smith drove at an average speed of 50mph for the first two hours of his trip. For the next three hours, he averaged 20 mph. What was Mr. Smith`s average speed for the five-hour trip ?
20 mph
32 mph
35 mph
38 mph
2. A postal truck leaves its station and heads for Chicago, averaging 40mph. An error in the mailing schedule is spotted and 24 minutes after the truck leaves, a car is sent to overtake the truck. If the car averages 50mph, how long will it take to catch the postal truck?
1.6 hours
3 hours
2 hours
1.5 hours
3. The length breadth and height of a cuboid are in the ratio 1 : 2 :3. The length, breadth and height of the cuboid are increased by 100%, 200% and 200% respectively. Then the increase in the volume of the cuboid is
5 times
6 times
12 times
17 times
4. An Automobile covers the distance between two cities at a speed of 60km. per hour and on the return journey it covers at a speed of 40 km. per hour. Find the average speed.
60
50
48
55
5. A man buys 200 shares (par value of Rs.10) of a company, which pays 12% per annum as dividend, at such a price he gets 15% on his money. Find the market value(app.) of a share.
Rs. 9
Rs. 12
Rs. 8
Rs. 7.50
6. what is the o/p
printf(" Hello \o is the world ");
Ans : Hello is the world.
7. Clarifying the concept addresses used over array ; ie changing the address of a base element produces what error?
13. child process -- fork
child shell -- sh
8. Answer are lex 7 yacc & man read these things in UNIX
9. What is
int *p(char (*s)[])
Ans : p is a function which is returning a pointer to
10. Using pointer, changing A to B and B to A is Swapping the function using two address and one temperory variable. a,b are address, t is temporary variable. How function look like?
Ans : swap(int *, int *, int )
11. In 'o' how are the arguments passed?
ans : by value.
12. Find the prototype of sine function.
Ans : extern double sin(double)
13. Scope of a global variable which is declared as static?
ans : File
14. ASCII problem
i=..
ans : 6
15. Which of following is used for back-up files?
(a) compress (b) Tar (c) make (d) all the above Ans : b
16. what does find command do ? Ans : search a file
17. what does " calloc" do?
Ans : A memory allocation and initialising to zero.
18. what does exit() do?
Ans : come out of executing programme.
19. what is the value of 'i'?
i=strlen("Blue")+strlen("People")/strlen("Red")-strlen
("green")
Ans : 1
20. i=2
printf("%old %old %old %old ",i, i++,i--,i++);
Ans : check the answer.
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