Hydra-arc Interview Questions, Process, and Tips

Ques:- Replace each letter by a digit. Each letter must be represented by the same digit and no beginning letter of a word can be 0.
Ques:- Pipe A can fill a tank in 16 minutes and pipe B cam empty it in 24 minutes. If both the pipes are opened together after how many minutes should pipe B be closed, so that the tank is filled in 30 minutes?
Recent Answer : Added by Gabriel On 2022-09-15 16:38:59:

No, the tank will be filled after 36 minutes

24/16= 1,5

24×1,5= 36

Ques:- In a hostel there were 100 students. To accommodate 20 more students the average is decreased by rupees 5. But total expenditure increased by Rs.400. Find the total expenditure of the hostel now?
Recent Answer : Added by DK BOSS On 2021-07-30 16:27:10:

Answer: 5400

Explanation:
100x + 400 = 12(x – 5)

x = 50

100 * 50 + 400 = 5400

Ques:- A company bought a total of 60 computers and 20 printers to modernise billing operations. If the price of each computer was three times the price of each printer, what percent of the total cost of the purchase was the total cost of the printer?
A. 10%
B. 11%
C. 15%
D. 20%
Recent Answer : Added by whocares On 2022-08-14 16:32:07:

Ans is 10%

Printer price = x;
Computer price = 3x
Total overall price = 20x + 60 x 3x = 200x

Printer percent = (20x/200x ) x 100 = 10%

Ques:- What is your long term and Short Term goal
Ques:- If I walk at 3 kmph, I miss the train by 2 min, if however, I walk at 4 kmph. I reach the station 2 min before the arrival of the train. How far do I walk to reach the station?
Recent Answer : Added by Admin On 2022-09-29 16:36:42:

answer :
Let the distance which I walk to the station be x km Then Time needed to reach the station at 3 km/hr = (3x​+602​) hrs and
Time needed to reach the station at 4 km/hr = (4x​+602​) hrs But 3x​+301​=4x​−301​⇒3x​−4x​=−302​=151​
⇒124x−3x​=151​⇒12x​=151​⇒x=1512​=54​ km

Ques:- General knowledege and personal round
Ques:- HOW MUCH YOU HAVE EXPERIENCE?
Ques:- After working for 6 days, Ashok finds that only 1/3 rd of the work has been done. He employs Ravi who is 60% as efficient as Ashok. How many days more would Ravi take to complete the work?
Ques:- Two trains, one from Howrah to Patna and the other from Patna to Howrah, start simultaneously. After they meet, the trains reach their destinations after 9 hours and 16 hours respectively. The ratio of their speeds is
A. 1 : 3
B. 2 : 3
C. 4 : 3
D. 6 : 7
Recent Answer : Added by Chetan On 2021-09-06 07:14:01:

4:3
A—–>B (first train)
B——>A(second train)
A/B=Srureroot((time to B)/(time to A))

Ques:- What is 'Pressure' for you?
Ques:- Rs.160 contained in a box consists of one rupee, 50 paisa and 25 paisa coins in the ratio 4:5:6. What is the number of 25 paisa coins?
Recent Answer : Added by Admin On 2022-09-28 18:19:47:

4x:5x:6x
100:50:25
100×4x +50×5x+25×6x
then 400x + 250x + 150x = 16000
800x=16000
x = 20

25 paisa=6x = 20×6=120

so the ans is 120 coins

Ques:- In a row of boys, Kapil is eigth from the right and Nikunj is twelfth from the left. When Kapil and Nikunj interchange positions, Nikunj becomes twenty first from the left. Which of the following will be Kapil’s position from the right ?
Recent Answer : Added by Javed Walandkar On 2022-08-14 16:35:09:

17

Ques:- (root 200) – (root 50) =?
Recent Answer : Added by Admin On 2020-05-17 12:00:01:

5*(root2)

Ques:- Number Series 25,25,22,22,19,19,?
Recent Answer : Added by janane On 2022-08-14 16:31:06:

16

Ques:- A bag contains five white and four red balls. Two balls are picked at random from the bag. What is the probability that they both are different color?
Recent Answer : Added by Akash Chandra Khan On 2022-01-08 16:06:55:

The probability will be
white ball = 5/9
red ball = 4/9
The answer can be 5/9 and 4/9 or 1

Ques:- What do you do to prioritized on a given workday?
Ques:- What are your hobbies and interests?
Ques:- 6. Exp. in load testing?
Ques:- Describe a difficult situation you have to handle?
Ques:- Find the odd man out:
8, 27, 64, 100, 125, 216, 343
A. 343
B. 125
C. 100
D. 27
Recent Answer : Added by aisha On 2022-08-24 17:03:40:

100

Ques:- A train 150 m long running at 72 kmph crosses a platform in 25 sec. What is the length of the platform?
Recent Answer : Added by Sanjeev Singh kushvaha On 2021-08-07 04:11:11:

350m

Ques:- A dwarf-killing giant lines up 10 dwarfs from shortest to tallest.The giant randomly puts a white or black hat on each dwarf. No dwarf can see their own hat. The giant will ask each dwarf, starting with the tallest, if they answer incorrectly, then he will kill them.Each dwarf can hear the previous answers, but cannot hear when a dwarf is killed.The dwarves are given an opportunity to collude before the hats are distributed.What strategy should be used to kill the fewest dwarfs?
Ques:- The town of Paranda is located on Green Lake. The town of Akram is west of Paranda. Tokhada is east of Akram but west of Paranda. Kakran is east of Bopri but west of Tokhada and Akram. If they are all in the same district, which town is the farthest west?
Recent Answer : Added by Emily Tilden On 2022-08-14 16:43:10:

Bopri is farthest to the west followed by Kakran, Akram, Tokhada, and Paranda to the east.

Ques:- The sum of the two digits of a number is 10. If the number is subtracted from the number obtained by reversing its digits, the result is 54. Find the number?
Recent Answer : Added by Ponranjithkumar J On 2022-05-17 09:08:41:

answer is 28
>2+8=10
>reverse of 28 is 82
>subtract 28 from 82
>82-28=54
the number is 28

Ques:- Why you interested for this job?
Ques:- Tell about mumbai ?
Ques:- Train 400 m long can cross an electric pole in 20 sec and then evaluate the speed of the train?
Ques:- Why did u choose testing why not developing.
Ques:- The smallest number which when divided by 20, 25, 35 and 40 leaves a remainder of  14, 19, 29 and 34 respectively is?

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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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