- Langan Engineering and Environmental Services, Inc General Aptitude Interview Questions
- Langan Engineering and Environmental Services, Inc Trainee Interview Questions
- Langan Engineering and Environmental Services, Inc Personal Questions round Interview Questions
- Langan Engineering and Environmental Services, Inc HR Interview Questions
- Langan Engineering and Environmental Services, Inc Lead Interview Questions
Ques:- How did you know what the other person had been looking forand what did you do to go the extra mile?
Ques:- A man engaged a servant on the condition that he would pay him Rs.900 and a uniform after one year service. He served only for 9 months and received uniform and Rs.650, find the price of the uniform?
Ques:- Regarding business profile
Ques:- If a car starts from A towards B with some velocity due to some problem in the engine after travelling 30km.If the car goes with 4/5 th of its actuval velocity the car reaches B 45min later to the actual time. If the car engine fails ofter travelling 45km, the car reaches the destination B 36min late to the actual time , what is the initial velocity of car and what is the distance between A and B in km
Recent Answer : :
Ans. let x is distance from A to B
and y is initial speed.
30/y+(x-30)5/4y -x/y = 3/4
=> 4x-12y=120 —-(1).
45/y + (x-45)5/4y -x/y=3/5
=> 5x-12y=225 ——-(2).
From equ (1) and equ (2) we will get.
x=25 and y=105
so initial speed is 25 km/hr
and Distance From A to B is 105 km
Ques:- Capable of handling the execution activity
Ques:- You are given some denominations of coins in an array (int denom[])and infinite supply of all of them. Given an amount (int amount), find the minimum number of coins required to get the exact amount. What is the method called?
Ques:- Give us an example in which you demonstrated leadership in the face of adversity?
Ques:- The following question asked at Infosys campus recruitment held at Pragathi. If 1>= y > x and xy=z.which of the following is not true? i)z>0 ii)x=z iii)y=z iv)z>y
Recent Answer : :
1>=y>x => y belongs to (-infinity,1]
x belongs to (-infinity,y)
if both x and y are negitive z can be greater than zero and
can be greater than y(1 and 4 are true)
if y equals 1 then x can be equal to z(2 is true)
therefore y=z is not true for any value of x and y
Ques:- What are your stregth
Ques:- Describe a difficult situation you have to handle?
Ques:- If 3 workers collect 48 kg of cotton in 4 days, how many kg of cotton will 9 workers collect in 2 days?
Recent Answer : :
72
Ques:- Give me three reasons proving you deserve this job?
Ques:- A person who is the husband of my son’s sister is my
Recent Answer : :
Son in law
Ques:- How would you build a test team?
Ques:- Steam is a vapour or a gas ?
Ques:- A merchant has 1000 kg of sugar, part of which he sells at 8% profit and the rest at 18% profit. He gains 14% on the whole. The quantity sold at 18% profit is
A. 400 kg
B. 560 kg
C. 580 kg
D. 600 kg
Recent Answer : :
d
Ques:- A can do a job in 18 days and B can do it in 30 days. A and B working together will finish twice the amount of work in ——- days?
Recent Answer : :
A & B one day work= 1/18 + 1/30= 8/90
As we know that number of work is 1
1÷8/90= 1*90/8= 90/8.
Since they say “ twice the amount of work
Then ,2*90/8= 22.5 days
Ques:- Can u give me an example of a project you were involved with that illustrates your interest and skills in bringing people together?
Ques:- Why this company will choose you?
Ques:- Tell me about self, family details.
Ques:- 15 people entered a theater before Sujit. 7 people entered the theater between Sujit and Suraj and 20 people entered the theater after Suraj. If Suraj entered the theater before Sujit then how many people are there in the theater?
Ques:- A bakery opened with its daily supply of 40 dozen rolls. Half of the rolls were sold by noon and 60% of the remaining rolls were sold between noon and closing time. How many dozen rolls were left unsold?
A. 6
B. 7
C. 8
D. 10
Recent Answer : :
8
Ques:- What is a Crinoline?
A. Skirt
B. Shirt
C. Thong
D. Petticoat
Recent Answer : :
petticoat
Ques:- Give me an example of your creativity.
Ques:- Who is first Indian woman president of Indian National Congress?1.S Krilani.2.S Naidu3.Indira Gandhi4.Anie Bascent
Recent Answer : :
4. Annie Besant
Ques:- ABOUT ME, QUALIFICATION EXPERIENCE.
Ques:- The number obtained by interchanging the two digits of a two-digit number is less than the original number by 45. If the sum of the two digits of the number so obtained is 13, then what is the original number?
Recent Answer : :
let (xy) be original number.
then, 10y + x +45 = 10x + y; eq 1
and x + y = 13; eq 2
solve ab equation,
then xy = 94;
Ques:- What is the selling price of a car? cost of car is Rs 60 & profit 10% profit over selling price
Recent Answer : :
Actual price is RS.60 and (plus)he got profit of 10%. So 60+ 10%(60) = 66
Ques:- A person buy the 6, 1 Rs stamps and 7, 50 paisa stamps he has given 12 Rs how much he will get back.
Recent Answer : :
6+3.50= 2.50
Ques:- Family background, about experience, education details.
12 month=>900Rs+Uniform
1month:75 => 9month:675
675-650=25 =>price of Uniform