Langan Engineering and Environmental Services, Inc Interview Questions Answers, HR Interview Questions, Langan Engineering and Environmental Services, Inc Aptitude Test Questions, Langan Engineering and Environmental Services, Inc Campus Placements Exam Questions

Langan Engineering and Environmental Services, Inc Interview Questions and Answers

20 common asked question in every interview

Ques:- A bus run at 100 km/hr top speed. It can carry a maximum of 6 persons. If speed of bus decreases in fixed proportion with increase in number of person, find speed when three person are traveling in bus?

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Ques:- There are 9 coins. 8 are of 1 gm and 1 is of 2 grams. How will you find out the heavier coin in minimum number of weighing and how many weighing it will need?

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Ques:- A local inner class may be final or abstract ?

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Ques:- 98th term of the infinite series 1, 2, 3, 4, 1, 2, 3, 4, 1, 2, …… is

A. 1

B. 2

C. 3

D. 4

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Ques:- Suppose a newly-born pair of rabbits, one male, one female, are put in a field. Rabbits are able to mate at the age of one month so that at the end of its second month a female can produce another pair of rabbits. Suppose that our rabbits never die and that the female always produces one new pair (one male, one female) every month from the second month on.

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Ques:- Find the area not occupied by circles: Given length =y breadth =x

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Ques:- Describe a time when everyone in the meeting was opposing your ideas. How did you manage to work it out?

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Ques:- How do you go about making an important decision affecting your career?

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Ques:- You have 8 balls. One of them is defective and weighs less than others. You have a balance to measure balls against each other. In 2 weighings how do you find the defective one?

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Ques:- Why you are looking for change ?

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Ques:- Tell me your profile at your current job?

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Ques:- What do you expect from the company if you get hired?

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Ques:- What about yourself? What is your role?

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Ques:- A certain sum becomes four times itself at simple interest in eight years. In how many years does it become ten times itself?

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Ques:- There are 5 red shoes, 4 green shoes. If one draw randomly a shoe what is the probability of getting a red shoe?

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Ques:- What if the interviewer ask that we are offering 8000 onlybut if the another company is offering 10000 means to whichyou would like to go?

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Ques:- Why are u changing ur job

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Ques:- What is onroll?

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Ques:- Why are you doing MBA ?

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Ques:- Find the odd man out:
2, 5, 10, 50, 500, 5000

A. (B) 5

B. (C) 10

C. (D) 5000

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Ques:- If BOMBAY is written as MYMYMY, how will TAMIL NADU be written in that code ?

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Ques:- Looking back on your last position, have you done your best work?

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Ques:- A man swims downstream 30 km and upstream 18 km taking 3 hours each time, what is the speed of the man in still water?

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Ques:- The speed of a boat in still water in 15 km/hr and the rate of current is 3 km/hr. The distance travelled downstream in 12 minutes is:

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Ques:- Rajan borrowed Rs.4000 at 5% p.a compound interest. After 2 years, he repaid Rs.2210 and after 2 more year, the balance with interest. What was the total amount that he paid as interest?

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Ques:- If the HCF of two numbers is 2 and their LCM is 70, then the numbers are

A. 2, 35

B. 4, 70

C. 6, 70

D. 14, 10

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Ques:- What are some things you would like to avoid in a job? Why?

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Ques:- A man took loan from a bank at the rate of 12% p.a. S.I. After 3 years he had to pay Rs. 5400 interest only for the period. The principal amount borrowed by him was?

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Ques:- the ratio of white balls to black balls is 1:2. if 9 balls are added then the ratio of the balls become 2:4:3. find the number of black balls.

A. 12

B. 6

C. 9

D. none

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Ques:- Why are you so interested in this company?

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