Amtech Systems Interview Questions, Process, and Tips

Ques:- Diophantus passed one sixth of his life in childhood, one twelfth in youth, and one seventh more as a bachelor; five years after his marriage a son was born who died four years before his father at half his final age. How old is Diophantus?
Ques:- What is the number of zeros of the product of the first 100 numbers ?
Recent Answer : Added by Admin On 2020-05-17 12:05:49:

24.
exp: 0 is formed by multiplying 5 with 2. so first we find
how many 5’s and 2’s are there in 100!.
No of 5’s : 100/5=20/5=4/5.
20 +4 =24.
No of 2’s : 100/2=50/2=25/2=12/2=6/2=3/2=1/2.
50 +25 +12 +6 +3 +1.
It has 24 5’s and 2’s.
so the no. of zeros=24.

Ques:- You are standing next to a well, and you have two jugs. One jug has a content of 3 liters and the other one has a content of 5 liters. How can you get just 4 liters of water using only these two jugs?
Recent Answer : Added by Admin On 2022-09-28 17:19:23:

Lets call the 5 litre jug as jug A and 3 litre jug as jug B. Now, follow the steps:

Fill jug A completely. Now it contains 5 litres.
Slowly pour the water from jug A to jug B until jug B is completely filled. Now, jug A contains 2 litres and jug B contains 3 litres.
Throw away the water in jug B so that it is completely empty. Now, jug A contains 2 litres and jug B is empty.
Transfer the water from jug A to jug B. Now, jug A is empty and jug B contains 2 litres.
Fill jug A completely. Now, jug A contains 5 litres and jug B contains 2 litres.
Transfer water from jug A to jug B until jug B is completely filled. Now, jug A contains 4 litres and jug B contains 3 litres.

Now you have 4 litres of water in jug A.

Ques:- There is a safe with a 5 digit no. The 4th digit is 4 greater than the second digit, while 3rd digit is 3 less than 2nd digit. The 1st digit is thrice the last digit. There are 3 pairs whose sum is 11. Find the number.
Recent Answer : Added by Raimol Kurian On 2021-05-11 11:37:33:

65292

Ques:- Do u have interest in spareparts sales
Ques:- About personal
Ques:- ABOUT THE SUBJECT & PERSONAL ROUND
Ques:- A, B and C are entered into a partnership. A invested Rs.6500 for 6 months, B invested Rs.8400 for 5 months and C invested for Rs.10000 for 3 months. A is a working partner and gets 5% of the total profit for the same. Find the share of C in a total profit of Rs.7400.
Ques:- If HEATER is written as KBDQHO, how will you encode COOLER ?
Recent Answer : Added by Sabari B On 2022-09-02 17:03:40:

FLRIHO=cooler

Ques:- 5 * 5 ÷ 5 + 5 ÷ 5 = ?
Ques:- Why should I hire you from the outside when I could promote someone from within?
Ques:- What do you expect from your future employer?
Ques:- In interview we are asked “WHAT IS YOUR POSITIVE AND NEGATIVE POINTS?”
Ques:- How do u maintain a mobile store with ur team members
Ques:- Your area of interest in studies.
Ques:- Number Series 18,20,22,20,28,20,?
Recent Answer : Added by ANTONYSAMY Santhanamarian On 2021-11-09 15:53:52:

36,20

Ques:- A certain number when divided by 45 leaves a remainder 31, what is the remainder if the same number be divided by 15?
Recent Answer : Added by MAMIDI LIJITA SREE On 2023-01-21 17:36:29:

1

Ques:- Two stations A and B are 110 km apart on a straight line. One train starts from A at 7 a.m. and travels towards B at 20 kmph. Another train starts from B at 8 a.m. and travels towards A at a speed of 25 kmph. At what time will they meet?
Recent Answer : Added by PuusinD On 2022-08-14 16:36:00:

10 a.m.

Ques:- If a and b are positive integers and (a-b)/3.5 = 4/7, then (A) b < a(B) b > a(C) b = a(D) b >= a
Recent Answer : Added by Mustafa On 2022-08-14 16:31:58:

Put a= 4, b = 2 in the equation and multiplying by 2/2 then you will get same value in right hand side. It mean a is 2a which mean b<a

Ques:- A circle and a rectangle have the same perimeter. The sidesof the rectangle are 18 cm and 26 cm. What will be the areaof the circle?
Recent Answer : Added by Admin On 2020-05-17 12:03:54:

perimeter of rectangle = 2(l+b)
given l abd b as 18 cm and 26 cm
therefore perimeter of rectangle = 2(44)
perimeter of circle = 2*pi*r
given 2*pi*r=2(l+B)
i.e, 2*(22/7)*r= 2(44)
(22/7)*r=44
r=14 cms
area of the circle = pi*r*r
=(22/7)*14*14
=616 sqcm is the answer

Ques:- The sum of the squares of two consecutive positive integers exceeds their product by 91. Evaluate the integers?
Ques:- Which of the following is larger than 3/5? (1) ? (2) 39/50 (3) 7/25 (4) 3/10 (5) 59/100
Recent Answer : Added by Dharmik Patel On 2022-08-14 16:32:10:

39/50

Ques:- The average marks in mathematics scored by the pupils of a school at the public examination were 39. If four of these pupils who actually scored 5, 12, 15 and 19 marks at the examination had not been sent up, the average marks for the school would have been 44. Find the number of pupils sent up for examination from the school?
Ques:- Tell me something about yourself in brief
Ques:- Number Series 10,2,8,2,6,2,?
Recent Answer : Added by Nagarjuna On 2021-04-22 15:45:02:

4

Ques:- Why are you leaving your job?
Ques:- A rich man died. In his will, he has divided his gold coins among his 5 sons, 5 daughters and a manager. According to his will: First give one coin to manager. 1/5th of the remaining to the elder son.Now give one coin to the manager and 1/5th of the remaining to second son and so on….. After giving coins to 5th son, divided the remaining coins among five daughters equally.All should get full coins. Find the minimum number of coins he has?
Recent Answer : Added by Biplab Nath On 2021-07-31 16:35:53:

Answer: 3121 gold coins
Let total no of coins be M
Let the disbursement D to each son:

D1 = 1 + (M – 1)/5 = (M + 4)/5
D2 = 1 + ( M – D1 -1)/5 = (D1) * 4/5
D3= (D2) * 4/5
D4= (D3) * 4/5
D5= (D4) * 4/5
Total disbursements to sons=
= ∑D= (M+4)*1/5[ 1+4/5+(4/5)(4/5)+ (4/5)(4/5)(4/5)+(4/5)(4/5)(4/5)(4/5) ]
= (2101/3125)*(M+4)
Thus balance left for daughters =M-{(2101/3125)*(M+4)}
=(1024M-8404)/3125
This balance should be a positive integer ( assuming M and all disbursements are full coins )
Thus 1024M-8404 should be a multiple of 3125….so….
1024M – 8404 = N*3125 where N is an integer
Using Python code:
n=int(input(“Enter num n: “))
X=int()
a=int()
a=0
X=’ ‘
for a in range(0,n+1):
a=a+1
X= (3125*a + 8404)/1024
if (3125*a + 8404)% 1024== 0:
print(X,a)
Enter num n: 10000
3121.0 1020
6246.0 2044
9371.0 3068
12496.0 4092
15621.0 5116
18746.0 6140
21871.0 7164
24996.0 8188
28121.0 9212
We get minimum value of N = 1021 and M = 3121 gold coins

Ques:- E=I*I*R what is the effect of E when I becomes I/2
Recent Answer : Added by Admin On 2020-05-17 11:59:40:

1/4E(E decreses by 4 times)

Ques:- Which date is comfortable for you to join with us ?
Ques:- What is your work experience in computer?

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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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