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Mahindra Engineering Aptitude, Technical Questions 2012- 2013

Posted on :04-04-2016

Q1. How many members are there between 1 to 100 which are divisible by 9 and the sum of two digits is 9?

A. 1 3
B. 11
C. 7
D. 9
E. 10


Q2. In what ratio metal A at Rs.68 per kg be mixed with another metal at Rs.96 per kg so that cost of alloy (mixture) is Rs.78 per kg?

A. 5:8
B. 4:7
C. 3:7
D. 9:5


Q3. In game of 500 points there are three participants A, B, and C. A game takes place. A gives to B 80 points and to C 101 points. Then how many points can B give to C?

A. 375
B. 500
C. 475
D. 425


Q4. Ten years ago A was half of Bs Age. If ratio of their present ages is 3:4 then what is the total of their present ages?

A. 08 years
B. 20 years
C. 30 years
D. 35 years


Q5. If Thursday was the day after the day before yesterday five days ago, what is the least number of days ago when Sunday was three days before the day after tomorrow?

A. Two days ago
B. Three days ago
C. Four days ago
D. Five days ago
E. None of these


Q6. How many 7s are there in the following series which are not immediately following by 3 but immediately preceeded by 8?

8 9 8 7 6 2 2 6 3 2 6 9 7 3 2 8 7 2 7 7 8 7 3 7 7 9 4

A. Nil
B. One
C. Two
D. Three
E. More than three


Q7. A and B invested money together in a business and share of capital of A is 1/4th that of B. If they incur a loss of Rs.500 then loss for B is

A. Rs.200
B. Rs.300
C. Rs.400
D. Rs.100


Q8. In a game of 100 points there are three participants A, B, and C. A gives to B 10 points and to C 19 points, then how many points can B give to C?

A. 11 points
B. 8 points
C. 9 points
D. 10 points


Q9. The age of Ritus mother is 6 times that of Ritus age. After 6 years it will be 3 times that of Ritus age. What is Ritus present age?

A. 4 years
B. 6 years
C. 8 years
D. 10 years


Q10. In a race of 4 Kms A beats B by 100 m or 25 seconds, then time taken by A is

A. 15 min 8 sec
B. 16 min 15 sec.
C. 8 min 15 sec.
D. 10 min 17 sec.


Q11. At what time between 4 and 5 o clock the hands are in opposite direction?

A. 10 2/11 minutes past 4 o clock
B. 3 2/11 minutes past 4 o clock
C. 3 5/11 minutes past 4 o clock
D. 10 10/11 minutes past 4 o clock


Q12. A train started from station A and proceeded towards station B at a speed of 48 Km/hr. Forty-five minutes later another train started from station B and proceeded towards station A at 50 Km/hr. If the distance between the two stations is 232 Km, at what distance from station A will the trains meet?

A. 132 Km
B. 144 Km
C. 108 Km
D. 160 Km
E. None of these


Q13. How many 8s are there in the given sequence which are not immediately preceded by 09 and not immediately followed by 90?

9 0 8 0 9 0 9 8 9 0 8 9 0 8 0 9 8 9 0 9 8 0 9 8 9 0 8 9 0

A. 1
B. 2
C. 3
D. More than 3
E. None of these


Q14. If the compound interest (compounded Yearly) on a certain sum for 2 years at 3% is Rs.101.50 then what will be the corresponding simple interest?

A. Rs.90.00
B. Rs.95.50
C. Rs.100.00
D. Rs.98.25


Q15. How should a profit of Rs.500 be divided into two partners, if one of them invested Rs.6000 for 5 months and other invested Rs.5000 for 4 months? (in Rs.)

A. 1000, 5000
B. 3000, 2000
C. 500, 400
D. 2000, 3000


Q16. 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?

ANS: 110 men


Q17. How many mashes are there in a sq. m of wire gauge, each mesh being 8mm long X 5mm width?

ANS: 25000


Q18. 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


Q19. 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


Q20. In simple interest what sum amounts of Rs.1120/- in 4 years and Rs.1200/- in 5 years.

ANS: Rs.800/-


Q21. 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


Q22. 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: 75 m


Q23. 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


Q24. 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


Q25. A cylinder ingot 6 cms 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: 3 cms


Q26. A father is 30 times more than his son however he will be only thrice as old as the son. What is fathers present age?

ANS: 40


Q27. The difference b/w the compound interest payable 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


Q28. An article sold at a profit of 20% if both the c.p & s.p were to be Rs.20/- the profit would be10% more. What is the c.p of that article?

ANS: 1% loss


Q29. What is the smallest number 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


Q30. The ratio of number of boys & girls in a school is 3:2. Out of these x% the boys & 25% of girls are scholarship holders. What is the % of students who are not scholarship holders?


Q31. The population of a city increases @ 4% p.a. That is an additional annual increase of 4% of the population due to this influx of job seekers, the % increase in population after 2 years is---?


TECHNICAL QUESTIONS:

Q32. Which of the following can be accessed randomly? 

A. one way linked list 
B. two way 
C. Arrays 
D. Trees


Q33. Definition of Booting.


Q34. What is the meaning of run level 6? 

ANS: Reboot


Q35. How can a process be started automatically in UNIX? 

ANS: Through CRONTAB { options were crontab, inittab, and two more }


Q36. What is the difference between inlinefunction((++)-macns(c)?


Q37. Write a class for a cycle purchase (data items req.).


Q38. Which type of global variable can be accessible from anywhere in the working environment?

ANS: external global variable.


Q39. Write a macro for squaring number.


Q40. How can you determine which file has generated the CORE?


  
   






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