Dhruva Automation And Controls Interview Questions, Process, and Tips

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?
Recent Answer : Added by Admin On 2020-05-17 12:04:12:

CASE 1: First we should take six balls divided equally and
then it is placed on the two pans.three on one and three on
other..
if the two pans are balanced then the defective ball is not
in the six..then we should the two and keep them one ball
on each.
CASE2: Again We should take any of the six balls and
divided equally and then it is placed on the two pans.. if
any of the pan weighs less than the other.. We should take
the three balls seperately..Now from that three we should
take any two and placed one on each.. fi both the pan
balances the ball which is left over is the defective.. if
one ball weighes less than the other,while keeping one on
each,then it is the defective one….

Ques:- What is your future aim?
Ques:- A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If two marbles are drawn at random, what is the probability that at least one is green?
Ques:- Insert the missing number:
2, 4, 12, 48, 240, (…..)
A. 1920
B. 1440
C. 1080
D. 960
Recent Answer : Added by Shaik Mohammad Javeed On 2021-11-18 17:15:42:

C)1440
2*2=4
4*3=12
12*4=48
48*5=240
240*6=1440

Ques:- What routing protocol uses the most bandwidth?
Ques:- Reason of Joining in the company?
Ques:- How did you hear about this job opening?
Ques:- Are you a smart or hard worker?
Ques:- TYPE OF WELDING
Ques:- Two trains are moving in the same direction at 72 kmph and 36 kmph. The faster train crosses a man in the slower train in 27 seconds. Find the length of the faster train?
Recent Answer : Added by Atif On 2022-12-05 16:13:36:

10 x 27=270

Ques:- What sum of money will produce Rs.70 as simple interest in 4 years at 3 1/2 percent?
Recent Answer : Added by Sonali On 2020-11-17 15:27:44:

500

Ques:- When the hr ask us tell me some thing about you then what should we include in what not plz help me by giving some examples.
Ques:- Why you want to leave your job?
Ques:- Why should we select for our company?
Ques:- Tell me about television?
Ques:- There are 100 men and 100 women on the dance floor. They want to dance witheach other. Then which of the following statements is always true:a) There are 2 men who danced with equal no. of women b) There are 2 women who danced with equal no. of men
Recent Answer : Added by bhaskar On 2021-08-04 15:54:14:

both a and b is correct

Ques:- Why have you selected IT as you field of interest?
Ques:- What is the missing number in the series. 4, 10, 22, 46, ?, 190, 382.
Recent Answer : Added by S.kowsalya On 2022-05-17 09:07:50:

94

Ques:- Are you a leader?
Ques:- Find the ratio in which rice at 7.20 a kg be mixed with rice at 5.70 a kg to produce a mixture worth Rs. 6.30 a kg.
A. 1 : 3
B. 2 : 3
C. 3 : 4
D. 4 : 5
Recent Answer : Added by narendra On 2022-09-18 09:01:28:

b

Ques:- There is a 4 inch cube painted on all sides. This is cut down into of 1 inch cubes. What is the no of cubes which have no pointed sides?
Ques:- The average salary of three employee is $950 per week. If one employee earns $1150 and other earns $650 rupees, how much will third be earn?
Recent Answer : Added by nani Reddy On 2021-08-05 17:11:29:

avg sal of 3 is $950
first person earns=$1150
second person earns=$650
let thirdperson =x
avg=(1150+650+x)/3
950*3=1800+x
x=2850-1800
x=$1050

Ques:- How did you know about this vacancy?
Ques:- Write ten numbers from the least to the greatest which have a remainder 3 after dividing by seven. What is the series formed and what is the CD
Ques:- Krishan and Nandan jointly started a business. Krishan invested three times as Nandan did and invested his money for double time as compared to Nandan. Nandan earned Rs. 4000. If the gain is proportional to the money invested and the time for which the money is invested then the total gain was?
Recent Answer : Added by Karishma Sukhwani On 2022-08-14 16:39:50:

Smart Question. What was the total gain by both of them, not Just Krishan

Ques:- In town of 500 people, 285 read Hindu and 212 read Indian express and 127read Times of India 20 read hindu and times of India and 29 read hindu and Indian express and 35 read times of India and Indian express. 50 read no news paper. Then how many read all the three paper?
Recent Answer : Added by Admin On 2020-05-17 12:02:15:

500 = Total+50
Total(450) = only one paper(p) + 29+20+35 + all three (g)
285+212+127 = p + 2( 29+20+35 )+ 3g
solve above .. to get g = 45 …
( small corrctn .. i think .. questn shud be 20 read ONLY
hindu and
times of India and 29 read ONLY hindu and Indian express
and 35
read ONLY times of India and Indian express)

Ques:- Tell me something about you, your qualification, where lastly working?
Ques:- A basket has 5 apples and 4 oranges. Three fruits are picked at random. The probability that at least 2 apples are picked is -.
Recent Answer : Added by Rajeswari Suresh On 2021-10-10 19:03:43:

5c2*4c1/9c3 +5c3/9c3=25/42

Ques:- A sum of Rs. 125000 amounts to Rs. 15500 in 4 years at the rate of simple interest. What is the rate of interest?
Recent Answer : Added by Raju Sports On 2022-08-14 16:46:01:

3.1

Ques:- Eight persons – P, Q, R, S, T, U, V and W are sitting around a circular table. S is to the immediate right of W. V is not next to either R or T. W is to the immediate right of T, who is sitting opposite to R. U and W are sitting opposite to each other. Who is sitting opposite to S?
Recent Answer : Added by Dolly chawla On 2021-10-19 16:10:29:

V is sitting opposite to s

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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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