IBM-1

Technical

FLOP is the unit of – I)clock speed, ii)frequency….i ii)memory, iv)processors speed.



main()
{
printf("hello");
main();
}
how many times it will print?



complexity of heap sort(ans:o(nlogn).



what will be the o/p?
int main()
{
char a,b;
printf(“%d%d%d%d”,sizeof(‘A’), sizeof(‘NULL’), sizeof(‘a’), sizeof(main));
}


necessity of pairty bit(ans:b).


>what is the o/p?
#DEFINE xyz(exr)printf(“exr=%d”,exr)
main()
{
int x=3;y=2;
xyz(x/y);
}


simple question on graph


simple question on sql


files r there of size like 26543b,2000b,4000b,1000b arrange them according to there access time

Aptitude(TOTAL25)



unit digit of 7^173?



two train coming towards from dist 24 miles with speed 12 miles/hr ,a fly randomly flying beetween two trains at the speed of 18 miles/hr.how many distance covered by the fly before will collide?(30,36……)



what is the increase of volume of a sphere if its radius increases by 10%?



A man climbing in a rock at 24 km/hr and downhill 36 km/hr. determine avg speed?



problem on language (some percent known german,some knows French,some English)ans:24.



Here two same size glass one is filled 1/3 of milk and other is 1/4 milk.then the glasses filled with water and mixed,what is the percentage of milk now?



One is filled 1/3 of milk and other is 1/4 milk.then the glasses filled with water and mixed,what is the percentage of milk now?



If the time required for write one digit is one second then how many time for (10^10)^10?(ans:I) few day ii) millions of day iii) one year


In 1930 the age of one student is same as the last two digit of his year of birth and the case is same for his grand father also ,what is the sum of age his and his grand father?(ans:80check).



In 1930 the age of one student is same as the last two digit of his year of birth and the case is same for his grand father also ,what is the sum of age his and his grand father?(ans:80check).



blue socks:4pair,red socks:3pair,white socks:2pair,how many socks one will take for two different socks .


what is the probability of 2 man will be born in a same month(ans:1/12,1/6,1/24,1/2)



There is a square ground of side 14cm,two horses r there in two different point of the square such that they can just touch them, how much grass will not be covered by the horses.(ans:14*14-2*(1/4)*pi*(7*root2)^2).



A man is started his journey from point A he goes 1000km south then 1000km east ,1000km north,then 1000km west.where is he now.(ans:I)at point A ii)1000km east from Aiii)….iv)….


APTITUDE

1. 2 pipes A and B can fill a tank in 30minutes and 20 minutes respectively. B filled ¾ of the tank. Then for the rest both A and B filled the tank. How much time it took to fill the entire tank.

2. 5 monkeys eat 5 bananas in 5 minutes. Then how many monkeys can eat 20 bananas in 20 minutes.

3. A does a work in 20 days. A did for 28 days. Then b came. They together take 76 days to complete the 7 job. Find howmany days B complete a work.

4. My house number is
if not multiple by 3 it is with in 50-59
if not multiple by 5 it is with in 60-69
if not multiple by 10 it is with in 70-79
find house number.

5. After 6 years the ratio of age of X and Y will be 5:6. Before 6 years it was 3:4. Find the age of younger one.

6. The arithmetic mean of two numbers is 10 and the geometrid mean is 8. Find the two numbers.

7. 3 consecutive non zero number which of these will result a positive odd integer.
1. x+y+z
2. xy-z
3. x-y-z

8. 420 km distance. It goes at a speed of 10km/hr less than it took 1.4 hour. Find the initial speed.

9. Tem, Harry and Dick are three friends. From these two are musicians.
Tem----Harry
Shorter one is older musician.
Harry----Dick
Shorter one is younger musician.
Dick-----Tem
Taller is the younger musician.
Find the two musician.

10. A’s mother is only daughter of B’s mother. B is A’s what.

11. In a 20 liter mixture of milk and water, the ratio of milk and water is 3:1. How much milk is to be mixed with the mixture so as to make the ratio 4:1.

12. For a party 240 guests were invited. Contractor have gained 12.5% profit. But 30 guests were absent. He charged the same amount for a meal and lost 100 rupees. How much a meal costs.

13. Out of three A,B,C one is thief. All give two statements. One is false another is true. Find the thief.
A-i did not do, B did not do.
B-i did not do, C did not do.
C-i did not do, I don’t know who did it.

14. The sides of an isosceles triangle are given. The perpendicular distance is given. Find the base of the triangle.(Numerical values are given, but I don’t remember)

15. In a triangle length of 3 sides are given. It is given to find the highest length of scale which can be used to measure all the sides.(To find gcf).

16. There is a metallic cylinder of radius r and height h is melted. If the radius of smaller cylinder is r/10 and height is h/10, then how many small cylinders are made from the molten.

TECHNICAL

18. What is weak typing?

19. What is pure virtual function?

20. Which is not a member of UNIX shell? (rbash,cbash,nbash,kbash,gbash)

21. Which is an error?
Int *p[3]
Int (*p)[3]
(Int *)(int ,int)
Int (*p[3])
Int *(p[3])

22. Which is not a processor.
(intel,duran,Celeron,athelon)

23. a[5]=={1,2,3,4,5}
printf("%d",a[3]);
printf("%d",3[a]);
printf("%d",*(a+3);

24. what is the output.
if(r= =5!= =4)
printf("inside");
else
printf("outside");
printf("%d",r);

25. for(i=0,j=0;i<10,j<10;i++,j+);
printf("%d",j); (compilation error,run time error,0)

26. Which is not an inter process communication.
(tee,shared memory,pipe,queue,file)

27. for loop on string.

28. Which is not a database.
(oracle,smalltalk,db2,Sybase)

29. #define prod((a>b)?a*a:b*b)
int p==0,q==-1;
prod(p++,q++)
what is result.

30. what is reference.
Some loop statements on "c" are given which are very easy.