Tech Mahindra Placement Paper
ARITHMETIC SECTION
This section consists of 29 problems. The questions are simple though time consuming.
1. If a boat is moving in upstream with velocity of 14 km/hr and goes downstream with a velocity of 40 km/hr then what is the speed of the stream ?
(a) 13 km/hr
(b) 26 km/hr
(c) 34 km/hr
(d) none of these
Ans: A
2. Find the value of ( 0.75 * 0.75 * 0.75 - 0.001 ) / ( 0.75 * 0.75 - 0.075 + 0.01)
(a) 0.845
(b) 1.908
(c) 2.312
(d) 0.001
Ans: A
3. A can have a piece of work done in 8 days B can work three times faster than the A C can work five times faster than A. How many days will they take to do the work together ?
(a) 3 days
(b) 8/9 days
(c) 4 days
(d) can t say
Ans: B
4. A car travels a certain distance taking 7 hrs in forward journey during the return journey increased speed 12km/hr takes the times 5 hrs.What is the distance travelled
(a) 210 kms
(b) 30 kms
(c) 20 kms
(c) none of these
Ans: B
5. Instead of multiplying a number by 7 the number is divided by 7. What is the percentage of error obtained ?
6. Find (7x + 4y ) / (x-2y) if x/2y 3/2 ?
(a) 6
(b) 8
(c) 7
(d) data insufficient
Ans: C
7. A man buys 12 lts of liquid which contains 20 of the liquid and the rest is water. He then mixes it with 10 lts of another mixture with 30 of liquid.What is the of water in the new mixture?
8. If a man buys 1 lt of milk for Rs.12 and mixes it with 20 water and sells it for Rs.15 then what is the percentage of gain?
9. Pipe A can fill a tank in 30 mins and Pipe B can fill it in 28 mins.If 3/4th of the tank is filled by Pipe B alone and both are opened how much time is required by both the pipes to fill the tank completely ?
10. If on an item a company gives 25 discount they earn 25 profit. If they now give 10 discount then what is the profit percentage.
(a) 40
(b) 55
(c) 35
(d) 30
Ans: D
11. A certain number of men can finish a piece of work in 10 days. If however there were 10 men less it will take 10 days more for the work to be finished. How many men were there originally?
(a) 110 men
(b) 130 men
(c) 100 men
(d) none of these
Ans: A
12. In simple interest what sum amounts of Rs.1120/- in 4 years and Rs.1200/- in 5 years ?
(a) Rs. 500
(b) Rs. 600
(c) Rs. 800
(d) Rs. 900
Ans: C
13. If a sum of money compound annually amounts of thrice itself in 3 years. In how many years
will it become 9 times itself.
(a) 6
(b) 8
(c) 10
(d) 12
Ans A
14. Two trains move in the same direction at 50 kmph and 32 kmph respectively. A man in the slower train
observes the 15 seconds elapse before the faster train completely passes by him.
What is the length of faster train ?
(a) 100m
(b) 75m
(c) 120m
(d) 50m
Ans B
15. How many mashes are there in 1 squrare meter of wire gauge if each mesh
is 8mm long and 5mm wide ?
(a) 2500
(b) 25000
(c) 250
(d) 250000
Ans B
16. x of y is y of ?
(a) x/y
(b) 2y
(c) x
(d) can t be determined
Ans: C
17. The price of sugar increases by 20 by what should a housewife reduce the consumption of sugar so that expenditure on sugar can be same as before ?
(a) 15
(b) 16.66
(c) 12
(d) 9
Ans B
18. A man spends half of his salary on household expenses 1/4th for rent 1/5th for travel expenses the man deposits the rest in a bank. If his monthly deposits in the bank amount 50 what is his monthly salary ?
(a) Rs.500
(b) Rs.1500
(c) Rs.1000
(d) Rs. 900
Ans C
20. The population of a city increases @ 4 p.a. There is an additional annual increase of 4 of the population due to the influx of job seekers find the increase in population after 2 years ?
21. The ratio of the number of boys and girls in a school is 3:2 Out of these 10 the boys and 25 of girls are scholarship holders. of students who are not scholarship holders.?
22. 15 men take 21 days of 8 hrs. each to do a piece of work. How many days of 6 hrs. each would it take for 21 women if 3 women do as much work as 2 men?
(a) 30
(b) 20
(c) 19
(d) 29
Ans: A
23. A cylinder is 6 cms in diameter and 6 cms in height. If spheres of the same size are made from the material obtained what is the diameter of each sphere?
(a) 5 cms
(b) 2 cms
(c) 3 cms
(d) 4 cms
Ans C
24. A rectangular plank (2)1/2 meters wide can be placed so that it is on either side of the diagonal of a square shown below.(Figure is not available)What is the area of the plank?
Ans :7*(2)1/2
25. The difference b/w the compound interest payble half yearly and the simple interest on a
certain sum lent out at 10 p.a for 1 year is Rs 25. What is the sum?
(a) Rs. 15000
(b) Rs. 12000
(c) Rs. 10000
(d) none of these
Ans C
26. What is the smallest number by which 2880 must be divided in order to make it into a
perfect square ?
(a) 3
(b) 4
(c) 5
(d) 6
Ans: C
27. A father is 30 years older than his son however he will be only thrice as old as the son after 5 years
what is father s present age ?
(a) 40 yrs
(b) 30 yrs
(c) 50 yrs
(d) none of these
Ans: A
28. An article sold at a profit of 20 if both the cost price and selling price would be Rs.20/- the profit would be 10 more. What is the cost price of that article?
29. If an item costs Rs.3 in 99 and Rs.203 in 00.What is the increase in price?
(a) 200/3
(b) 200/6
(c) 100
(d) none of these
Ans: A
LOGICAL SECTION
Directions: For questions 30-39 fill the missing number or letter in the given series
30. a c e g _
(a) h
(b) i
(c) d
(d) j
Ans: B
31. a e i m q u _ _
(a) y c
(b) b f
(c) g i
(d) none
Ans: A
32. ay bz cw dx __
(a) gu
(b) ev
(c) fv
(d) eu
Ans: D
33. 1 2 3 5 7 11 __
(a) 15
(b) 9
(c) 13
(d) 12
Ans: C (series of prime numbers)
34. kp lo mn __
(a) nm
(b) np
(c) op
(d) pq
Ans: A
35. R M __ F D __
(a) I C
(b) A Q
(c) L N
(d) B Q
Ans: A
36. ___ ayw gec mki sqo
(a) awx
(b) usq
(c) prs
(d) lmn
Ans: B
37. 1 3 4 8 15 27 __
(a) 60
(b) 59
(c) 43
(d) 50
Ans D
38. 0 2 3 5 8 10 15 17 24 26 __
(a) 45
(b) 55
(c) 35
(d) 48
Ans: C
39. 2 5 9 19 37 __
(a) 64
(b) 55
(c) 75
(d) 40
Ans C
Directions for questions 40 to 45: Select the alternative that logically follows form the two given statements.
40. All scientists are fools. All fools are literates.
(a)All literates are scientists
(b) All scientists are literates
(c) No scientists are literates
(d) Both (a) and (b) are correct
Ans: B
41. No apple is an orange. All bananas are oranges.
(a) All apples are oranges
(b) Some apples are oranges
(c) No apple is a banana
(d) None of the above
Ans: A
42. All pens are elephants. Some elephants are cats.
(a) Some pens are cats
(b) No pens are cats
(c) All pens are cats
(d) None of the above
Ans: D
43. All shares are debentures.No debentures are deposits.
(a) All shares are deposits
(b) Some shares are deposits
(c) No shares are deposits
(d) None of the above
Ans: C
44. Many fathers are brothers. All brothers are priests.
(a) No father is a priest
(b) Many fathers are not priests
(c) Many fathers are priests
(d) Both (b) and (c)
Ans: B
45. Some green are blue. No blue are white.
(a) No green are white
(b) Some green are white
(c) No green are white
(d) None of the above
Ans: B
46. If the word CODING is represented as DPEJOH then the word CURFEW can be represented?
(a) dvsgfx
(b) dvshfx
(c) dgshfx
(d) dtsgfy
Ans: A
47. If in a certain code RANGE is coded as 12345 and RANDOM is coded as 123678 then the code for the word MANGO would be
(a) 82357
(b) 84563
(c) 82346
(d) 82543
Ans: D
Directions for questions 48-50:The questions are based on the following data
In a class of 150 students 55 speak English;85 speak Telugu and 30 speak neither English nor Telugu
48. How many speak both English and Telugu?
(a) 10
(b) 15
(c) 20
(d) 12
Ans: C
49.How many speak only Telugu?
(a) 55
(b) 45
(c) 65
(d) none of the above
Ans:C
50.How many speak at least one of the two languages?
(a) 120
(b) 100
(c) 250
(d) 50
Ans: A |
Tech Mahindra Placement Paper
Aptitude
1. Which of the following statement(s) is(are) not true
a. Literate workers have small families than illiterate workers.
b. Families with 2 or less than 2 children are commoner than families
with 3 or more children.
c. 2 children families constitute 60 of the families of workers.
d. More the no. of children a worker has the more illiterate he is.
e. None the above statement is true.
Ans: e
2. ......of a mutual instrument vibrate 6 8 & 12 intervals
respectively. If all three vibrate together what is the time
interval before all vibrate together again?
LCM of NR
Ans: 1/2 sec
3. Certain no. of men can finish a piece of work in 10 days. If
however there were 10 men less it will take 10 days more for the
work to be finished. How many men were there originally.
Ans: 110 men
4. In simple interest what sum amounts of Rs.1120/- in 4 years and Rs.1200/- in 5 years.
Ans: Rs.800/-
5. Sum of money at compound interest amounts of thrice itself in 3 years. In how many years
will it take 9 times itself.
Ans: 6
7. Two trains in the same direction at 50 & 32 kmph respectively. A man in the slower train observes the 15 seconds elapse before the faster train completely passes him.
What is the length of faster train ?
Ans: 75m
8. How many mashes are there in a sq. m of wire gauge. Each mesh being 8mm long X 5mm width
Ans: 25000
9. x of y is y of ?
Ans: x
10. The price of sugar increases by 20 by what house-wife should reduce the consumption of sugar so that expenditure on sugar can be same as before
Ans: 16.66
11. A man spending half of his salary for house hold expenses 1/4th for rent 1/5th for travel expenses a man deposits the rest in a bank. If his monthly deposits in the bank amount 50. What is his monthly salary ?
Ans: 1000
12. The population of a city increases @ 4 p.a. That is an additioanl annual increase of 4 of the population due to this influx of job seekers the increase in population after 2 years is
13. The ratio of no. of boys & girls in a school is 3:2 Out of these ? the boys & 25 of girls are scholarship holders. of students who are not scholarship holders.?
14. 15 Men take 21 days of 8 hrs. each to do a piece of work. How many days of 6 hrs. each would do if 21 women take. If 3 women do as much work of 2 men.
Ans: 30
15. a cylinder ingot 6cms in diameter and 6 cms in height is and spheres all of the same size are made from the material obtained.what is the diameter of each sphere?
Ans:3cms
16. rectangular plank of sqrt(2)meters wide can be placed so that it is on either side of the diagonal of a square shown below.what is the area of the plank?
Ans:7sqrt(2)
17. the difference b/w the compound interest payble half yearly and the simple interest on a
certain sum cont out at 10 p.a for 1 year is Rs 25 what is the sum
Ans:10 000
18. what is the smallest n0 by which 2880 must be divided in order to make it a perfect square ?
a)3 b)4 c)5 d) 6 e)8
Ans: c
19.a father is 30 times more than his son however he will be only thrice as old as the son
what is father s present age ?
Ans: 40
20. An article sold at a profit of 20 if both the c.p & s.p were to be Rs.20/- the profit would be 10 more. What is the c.p of that article?
Ans: 1 loss
Sample Question Papers
1. Which of the following statement(s) is(are) not true
a. Literate workers have small families than illiterate workers.
b. Families with 2 or less than 2 children are commoner than families with 3 or more children.
c. 2 children families constitute 60 of the families of workers.
d. More the no. of children a worker has the more illiterate he is.
e. None the above statement is true. Ans : e
2. Of a mutual instrument vibrate 6 8 & 12 intervals respectively. If all three vibrate together what is the time interval before all vibrate together again? Ans : 1/2 sec HCF of DR
3. Certain no. of men can finish a piece of work in 10 days. If however there were 10 men less it will take 10 days more for the work to be finished. How many men were there originally. Ans : 110 men
4. In simple interest what sum amounts of Rs.1120/- in 4 years and Rs.1200/- in 5 years. Ans : Rs.800/-
Sum of money at compound interest amounts of thrice itself in 3 years. In how many years will it take 9 times itself. Ans : 6
5. Two trains in the same direction at 50 & 32 kmph respectively. A man in the slower train observes the 15 seconds elapse before the faster train completely passes him. What is the length of faster train ? Ans : 75m
How many mashes are there in a sq. m of wire gauge. Each mesh being 8mm long X 5mm width
Ans : 25000
6. x of y is y of ? Ans : x
7. The price of sugar increases by 20 by what house-wife should reduce the consumption of sugar so that expenditure on sugar can be same as before Ans : 16.66
8. A man spending half of his salary for house hold expenses 1/4th for rent 1/5th for travel expenses a man deposits the rest in a bank. If his monthly deposits in the bank amount 50. What is his monthly salary ?
Ans : 1000
9. The population of a city increases @ 4 p.a. That is an additioanl annual increase of 4 of the population due to this influx of job seekers the increase in population after 2 years is
10. The ratio of no. of boys & girls in a school is 3:2 Out of these ? the boys & 25 of girls are scholarship holders. of students who are not scholarship holders.?
11. 15 Men take 21 days of 8 hrs. each to do a piece of work. How many days of 6 hrs. each would do if 21 women take. If 3 women do as much work of 2 men. Ans : 30
12. A cylinder ingot 6cms in diameter and 6 cms in height is and spheres all of the same size are made from the material obtained.what is the diameter of each sphere? Ans :3cms
13. Rectangular plank of sqrt(2)meters wide can be placed so that it is on either side of the diagonal of a square shown below.what is the area of the plank? Ans :7sqrt(2) fig no-
14. The difference b/w the compound interest payble half yearly and the simple interest on a certain sum cont out at 10 p.a for 1 year is Rs 25 what is the sum Ans:10 000
15. what is the smallest n0 by which 2880 must be divided in order to make it a perfect square ?
a)3 b)4 c)5 d) 6 e)8 Ans: 3
16. A father is 30 times more than his son however he will be only thrice as old as the son what is father's present age ?Ans : 40
17. An article sold at a profit of 20 if both the c.p & s.p were tobe Rs.20/- the profit would be 10 more. What is the c.p of that article? Ans : 1 loss
18. How can a process be started automatically in UNIX ? ANS : Through CRONTAB { options were crontab inittab and two more }
19. What is the meaning of run level 6 ? ANS. Reboot
20. How can you determine which file has generated the CORE ?
Options were..
1.ps -ef | grep core
2.ps -ef | grep <executable file name > Freshersworld.com
3.pfile core
4.filec core
21. Diff.between inlinefunction((++)-macns(c)
22. 3 to 4 questions on conditional operator :?:
23. Write a macro for sqaring no.
24. Trees -3 noded tree ( 4 to 5 questions fundamentals) Maximum possible no.of arrnging these nodes
25. Arrange the nodes in depth first order breadth first order
26. Linked lists Q) Given two statments
27. Allocating memory dynamiccaly
28. Arrays Tree the above both and find the mistake
29. Pointers (7 to 8 questions) Schaum series Pointer to functions to arrays 4 statements ->meaning syntax for another 4 statements
30. Booting-def(When you on the system the process that takes place is ------
31. Type of global variable can be accessible from any where in the working environment ( external global variable)
32. Which of the following can be accessed randomly Ans. a. one way linked list
b. two way
c. Arrays
d. Trees
33. Write a class for a cycle purchase(data items req.)
10 15 small logical/mathematical quiz (most of from old paper
2 10 10 numerical series completion and visual series completion[3 quest repeated from
old papers]
3 10 16 [mix type quest such as reasoning (e.g. all A r B all B r C so all A r C some
C r A etc.. one quiz followed by 4 quest]
4 10 9 [2 flow chart: means one puzzle was described as steps of flow chart and condition
was also given in flow chartsome fields were having ? u have to select appropriate
option from the given option to place instead of ? so that logic is correct...2nd flow chart
was very easy(4 quest) while in 1st first 3 were easy rest 2 were not hard but very
time consuming
5 10 8 [RC really tough 5 minute to read long (with lot of data of course) the rc and remember
whatever u can followed by 9/8 quest in 5 minutes
6 5 10 [data sufficiency very easy and scoring section but only 5 minutes to answer 10
quest...]
no section cut off
only overall cut off
strictly 1:1 -ve marking...
shortlisted candidates will be informed by email within 10 days for HR & Technical Int...
test was only for BE (CSE IT IS) and BSc(maths chemi physics and one other discipline) No EC ECT or MCA 2002 and 2003 passouts 60 or more aggregate at ssc hsc and BE should be cleared on 1st attempt..
some of quest I remember:
1. if M person r buying a thing costing D$ each if 3 person get away how much each person has
to spend so that total expenditure is same ???
2. which is smalest?
a. 1/7
b 1/8
c 2/9
d 3/13 ...or something similar having denom. as 11 and 13 in option d and e
3. if Rix can collect 45 pieces in 1 min.. and Rax take 1 and half minute for same what is time
require d to collect 300 pieces when both working together??
4. one long quiz followed by 5 quest... 3 cages having 3 tags on them sum of digit of cage num not
to exceed 10 and other cond...
5. one quest of grandfather-father-son type quest..
6. A is shortr than B but taller than E D is tallest C is just shorter than A who is shorttest or similar
quest...?
7. rectangualr box 25*20*2 converted in to cylinder of dia 10... what is height in terms of pai
section 2: series...
1. find the numer for ?
2. find the numer for ?
