IBM Campus Placement Paper (Technical, Aptitude & HR)

  
Sections:
1. Aptitude
2. Technical
 
  Aptitude :
 
1. like 3 consecutive prime adds to some no what is that
Ans: both 49 and 59.
 
2. one person traveled 4 laps with the speed of 10,20,40 ( or 30) and 60 kmph and what is the average speed.
Ans: 20 (sure)

3.like one student takes 20 mins if he go with speed 15kmph and at what speed he should go to reach in 15 mins ( nos are not same)
Ans: 16kmph( but not sure)

4. there are 2 type of people group 'yes' who always says yes ( they never say 'no') if they are not sure about they will remain silent. and other group name 'no' where the group of people always say 'no' if they are not sure they will remain silent. that's it now questions are
1) what will be the answer if i ask are u belong to group 'yes' options are: they remain silent ,say yes, say no, either yes or no, can't be determined
2) same question but if i ask are u belong to group 'no' answers for both above questions are not ( not determined)
3) what will the other person say if ask are u belong to group 'yes' and etc there were 5 questions first 4 u can do it last one little bit tough. spend some time on this u can do it.

5.Like from height of 8 mts on ball fell down and each time it bounces half the distance back. so what will be the distance traveled
Ans: 24 (sure) like 8+4+4+2+2+1+1+0.5+0.5+ and etc ..

6.like 6 cubes are arranged adjacently and given the perimeter and asked to find the perimeter of one cube.

Ans: if x is the total perimeter then (x/14)*4 leads to the answer. but check it once u will be having plenty of time. answer is 52 (13*4)
 
7. some data is given like this 10kmph in still water ship took some x mins and downstream some y mins in same time what is the stream value .... (q is not exat)
Ans: 3 (not sure)
 
8.some average problem like 16 students average weight and teacher joins them ....
Ans: 23 (sure) do this (16x+40)/(x+1) will give the value.
 
9. some problem on square like to increase area by 69% by what percent side should be increased
Ans: square root of 169 i.e 13 ( not sure)
 
10. no of rational nos b/w 0 and 5
Ans: infinite

11. First day of 1999 is Sunday what day is the last day
Ans: Monday
 
12. bullets problem some x no of bullets are shared by 3 people equally . and each fired 4 bullets then the sum of remaining bullets is equal to initially division value
Ans: 18 (sure)
 
13. bread problem, one come and eat half no of breads and something...
Ans: 63( check it)
 
  14. like A can do in 6 day and B can do in 8 and C can do in 12 days but b left after working for 6 days for how many no of day A and C shluld work
Ans: 11(