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Past Example 2 - Aptitude - General by IBM

Details of Past Example 2 - Aptitude - General by IBM conducted by IBM for job interview.
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APTITUDE

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

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

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.

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.

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.

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

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

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

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.

As mother is only daughter of Bs mother. B is As what.

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.

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.

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 donot know who did it.

The sides of an isocles tringale are given. The perpendicular distance is given. Find the base of the tringale.(Numerical values are given, but I donot remember)

 In a tringale 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).

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 howmany small cylinders are made from the molten.

TECHNICAL

What is weak typing.

What is pure virtual function.

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

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

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

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

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

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

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

for loop on string.

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

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

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