Black box network services Interview Questions, Process, and Tips

Ques:- Will you sign a bond of 2 years with us?
Ques:- 2 hours after a freight train leaves Delhi a passenger train leaves the same station travelling in the same direction at an average speed of 16 km/hr. After travelling 4 hrs the passenger train overtakes the freight train. The average speed of the freight?
Ques:- Asked about me my qualification and typing speed
Ques:- To 15 lts of water containing 20% alcohol, we add 5 lts of pure water. What is % alcohol.
Recent Answer : Added by Shashank Panddey On 2022-09-15 16:36:25:

saying 20%alcohol in 15 litre solution.

It means (20/100)*15=3 litres

Now 5 litre of water is added not alcohol.

So it means only the volume of solution is increases by 5 not alcohol.

It means 15+5=20

Now % of alcohol is

(3/20)*100=15%.

Ques:- What is the coolest hack you’ve ever written?
Recent Answer : Added by Admin On 2020-05-17 12:01:45:

while(true)
{
new Object();
}

Ques:- Every thing about me & my vision & mission.
Ques:- Do you prefer to be right or to be liked?
Ques:- Sam and Mala have a conversation. Sam says I am certainly not over 40. Mala says I am 38 and you are atleast 5 years older than me. Now, Sam says you are atleast 39. All the statements by the two are false. How old are they really?
Ques:- Would you lie for the company?
Ques:- In what time will Rs.4000 lent at 3% per annum on simple interest earn as much interest as Rs.5000 will earn in 5 years at 4% per annum on simple interest?
Recent Answer : Added by narendra On 2021-12-25 15:45:42:

10%

Ques:- The ratio of the present ages of Suman and Renu is 5 : 7 respectively. Four years hence the ratio will become 3 : 4 respectively. What is the present age of Renu in years? (a) 28 (b) 24 (c) 20 (d) 21 (e) None of these
Recent Answer : Added by Admin On 2020-05-17 12:03:41:

( a ) 28

Ques:- A 16 story building has 12000ft on each floor. Company A rents 7 floors and company B rents 4 floors. What is the number of square feet of unrented floor space?
Recent Answer : Added by arjun On 2021-12-09 18:40:02:

60000

Ques:- Family background & personality.
Ques:- Why do u choose Testing as ur career?
Ques:- A man misses a bus by 40 minutes if he travels at 30 kmph. If he travels at 40 kmph, then also he misses the bus by 10 minutes. What is the minimum speed required to catch the bus on time?
Recent Answer : Added by DK BOSS On 2021-07-15 08:55:21:

the answer is 45 km/h
Define x:

Let the total distance be x.

Find the time needed in terms of x for speed at 30 km/h:
Find the time needed in term of x for 40 km./h:
Find the difference in time:
Solve x:
Find the total time needed to for the whole journey:
Given that he was 40 mins late:
Find the minimum speed needed:
Answer: The minimum speed is 45 km/h

Ques:- What’s the biggest risk you’ve ever taken?
Ques:- In order to obtain an income of Rs. 650 from 10% stock at Rs. 96, one must make an investment of?
Ques:- What types of tools or measuring devices do you use related to math?
Ques:- A=> B means
Recent Answer : Added by Admin On 2020-05-17 12:02:18:

if A is true B has to be true

Ques:- What is you done in your graduation?
Ques:- A man shows his friend a woman sitting in a park and says that she the daughter of my grandmother’s only son. What is the relation between the two?
Recent Answer : Added by as On 2021-05-16 16:12:43:

brother and sister

Ques:- In an examination, 80% of the students passed in English, 85% in Mathematics and 75% in both English and Mathematics. If 40 students failed in both the subjects the total number of students is
A. 200
B. 400
C. 600
D. 800
Recent Answer : Added by Phani On 2022-03-09 16:41:44:

Percentage of people passed = (passed in eng) + (passed in math) – ( passed in both)
Which is 90% of students passed and 10% failed
10% of X = 40
X = 400

Ques:- why do we select u and what value added services that u will add to our company?
Recent Answer : Added by Admin On 2020-05-17 12:04:17:

i will put my sincere effort in my work for upward growth
of my career as well as my company.

Ques:- Seals managament
Ques:- Given a credit card number with a certain number of fixed digits and a certain number of digit placeholders, find the number of solutions such that the entire number yields a remainder of 3 when divided by 13. Use properties of modulus
Ques:- Say me Abut Ur self
Ques:- What is the capital of Chattisgarh?
Ques:- Iam a fresher. I completed B.TECH in June 2008. what have u been doing after june 2008?
Ques:- What does “customer care service” mean to you?
Ques:- About yourself and project related.

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Devendra Bhardwaj With a decade of experience as a Job Hiring Expert, I am a results-driven professional dedicated to elevating recruitment strategies. My expertise lies in navigating the dynamic landscape of talent acquisition, employing innovative approaches to attract, assess, and secure top-tier candidates. I excel in optimizing hiring processes, leveraging cutting-edge technologies, and fostering collaborative relationships with stakeholders. A keen understanding of industry trends allows me to stay ahead, ensuring a competitive edge in securing the best talent for your organization. I am passionate about connecting the right people with the right opportunities and thrive in creating impactful, streamlined recruitment solutions.

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