Perkin Elmer Interview Questions, Process, and Tips

Ques:- There are 5 burglars and once went to a bakery to rob it obviously The first guy ate 1/2 of the total bread and 1/2 of the bread. The second guy ate 1/2 of the remaining and 1/2 of the bread. The third guy ,fourth guy and fifth guy did the same. After fifth guy there is no bread left out. How many bread are there?
Recent Answer : Added by DK BOSS On 2021-07-17 06:40:11:

(1/2 + 1/2) = 1
2(1 + 1/2) = 3
2(3 + 1/2) = 7
2(7 + 1/2) = 15
2(15 + 1/2) = 31

Ques:- Tell the difference between the largest number and the least number written with the digits 7, 3, 1, 4?
Recent Answer : Added by Nomula soumit sai kumar On 2022-10-21 19:49:16:

6084
7431 is largest number and 1347 is the least number from digits 1,3,4,7
so 7431-1347=6084

Ques:- The average salary of workers in an industry is Rs.200 the average salary of technicians being Rs.400 and that of non-technicians being Rs.125. What is the total number of workers?
Recent Answer : Added by Ranjit On 2022-08-14 16:35:57:

Please let me know answer.

Ques:- Four couples sit around a circular table in a party. Every husband sits to the right of his wife. P, Q, R and S are husbands and T, U, V and W are wives. Q – U and R – V are two married couples. S does not sit next to V. T sits to the left of P, who sits opposite S. Q sits between ___.
Ques:- From a pack of cards two cards are drawn one after the other, with replacement. The probability that the first is a red card and the second is a king is -.
Recent Answer : Added by Admin On 2022-09-29 19:02:13:

Explanation:

Let E1 be the event of drawing a red card.

Let E2 be the event of drawing a king .
P(E1 ∩ E2) = P(E1) . P(E2)
(As E1 and E2 are independent)
= 1/2 * 1/13 = 1/26

Ques:- What do you plan to become after say 2-5yrs (Ex: QA Manager, Why?)
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:- P began business with Rs.45000 and was joined afterwards by Q with Rs.5400. When did Q join if the profits at the end of the year were divided in the ratio of 2:1?
Ques:- HOW MUCH YOU HAVE EXPERIENCE?
Ques:- Draw your selling skills and technique?
Ques:- Find the missing number on the series 2, 3, 5, 7, 11, …., 17
Recent Answer : Added by shivangi sharma On 2022-08-14 16:42:27:

13 and 15

Ques:- Who is the chief minister of Delhi ?
Ques:- My aim in became to MBA (HR) graduate
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:- What are the duties and responsibilities of an administrator?
Ques:- Sum of two numbers is 15. Two times of the first exceeds by 5 from the three times of the other. Then the numbers will be?
Recent Answer : Added by Joseph Owusu On 2022-03-11 17:00:39:

The first number is 10 and the second number is 5

Ques:- You have changed 4 jobs in 5years, why you changed so many companies?
Ques:- Three 6 faced dice are thrown together. The probability that no two dice show the same number on them is -.
Recent Answer : Added by Vaishnavi On 2021-04-07 13:42:05:

5/9

Ques:- A car is journied a certain distance in 7 hrs in forward journey in the return journey increased speed 12km/hr takes the times 5 hrs. what is the distance
Recent Answer : Added by Admin On 2020-05-17 11:59:58:

let d distance and s be speed.
d/7 = x and d/5 = x+12
solving we get d=210.

Ques:- What are the achievements in your last 2.9 years of experience?
Ques:- Would you like to work in a team or alone, why?
Ques:- Cost of an item is x. It’s value increases by p% and decreases by p% Now the new value is 1 rupee, what is the actual value ?
Recent Answer : Added by Admin On 2020-05-17 12:01:48:

original cost is 100^2 / (100^2 – p^2) Rs

Ques:- Whats your name and why you join this company?
Ques:- minutes hand gains 45% at 11.20 p.m. so finally what is % of time gained by minutes hand
Recent Answer : Added by Admin On 2020-05-17 12:05:20:

its a tricky question and very funny too.
the answer is 45% only which is gained by the minute hand.

Ques:- WHAT WAS UR FAVOURITE PASTTIME IN UR SCHOOL TIME?
Ques:- Do you always make decisions on your own without the help of others? In which situations do you seek other?s help for decision-making?
Ques:- World Golf Championship, 2007 has been won by?
Ques:- A brick measures 20 cm * 10 cm * 7.5 cm how many bricks will be required for a wall 25 m * 2 m * 0.75 m?
Ques:- In what ratio must a grocer mix two varieties of pulses costing Rs. 15 and Rs. 20 per kg respectively. So as to get a mixture worth Rs. 16.5/kg?
A. 3 : 7
B. 5 : 7
C. 7 : 3
D. 7 : 5
Recent Answer : Added by kishan sah On 2022-09-02 17:04:57:

7:3

Ques:- Two pipes can separately fill a tank in 20 and 30 hours respectively. Both the pipes are opened to fill the tank but when the tank is full, a leak develops in the tank through which one-third of water supplied by both the pipes goes out. What is the total time taken to fill the tank?

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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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