About RDA Labs
RDA Labs Interview Questions and Answers
Updated 21 Feb 2026Biostatistician Interview Experience
Candidate: Aisha N.
Experience Level: Mid-level
Applied Via: Recruiter outreach
Difficulty: Hard
Final Result:
Interview Process
3
Questions Asked
- Explain your experience with survival analysis.
- How do you handle missing data in clinical trials?
- Describe a statistical model you developed for a complex dataset.
Advice
Prepare to discuss statistical concepts in depth and provide examples from your work.
Full Experience
A recruiter contacted me directly. The first round was a technical phone interview with statistical problems. The second was a case study presentation. The final round was a panel interview with senior scientists. The process was intense but rewarding.
Quality Control Technician Interview Experience
Candidate: David K.
Experience Level: Entry-level
Applied Via: Job fair
Difficulty: Easy
Final Result:
Interview Process
1
Questions Asked
- What quality control methods are you familiar with?
- How do you handle repetitive tasks?
- Describe your experience with lab equipment.
Advice
Be honest about your experience and show willingness to learn.
Full Experience
I met the recruiter at a job fair and was invited for an on-the-spot interview. It was straightforward, focusing on my educational background and basic QC knowledge. The company seemed eager to hire motivated candidates even with limited experience.
Regulatory Affairs Specialist Interview Experience
Candidate: Sophia L.
Experience Level: Senior
Applied Via: LinkedIn job post
Difficulty:
Final Result:
Interview Process
2
Questions Asked
- What experience do you have with FDA submissions?
- How do you keep updated with regulatory changes?
- Describe a time you managed a compliance issue.
Advice
Highlight your regulatory knowledge and provide concrete examples of compliance management.
Full Experience
The first interview was a phone call focusing on my background and experience with regulatory bodies. The second was an in-person interview with the compliance team, including scenario questions. The interviewers valued my proactive approach to staying current with regulations.
Clinical Data Analyst Interview Experience
Candidate: Jason M.
Experience Level: Entry-level
Applied Via: Referral
Difficulty: Hard
Final Result: Rejected
Interview Process
4
Questions Asked
- How do you ensure data integrity in clinical trials?
- Explain your experience with SAS and R.
- Describe a time you identified an error in a dataset.
Advice
Brush up on statistical software skills and be prepared for scenario-based questions.
Full Experience
I was referred by a former colleague. The first two rounds were technical assessments and coding tests. The third was a behavioral interview, and the last was with the department head. The technical rounds were challenging, especially the coding test under time pressure. Despite the rejection, I learned a lot about their expectations.
Research Scientist Interview Experience
Candidate: Emily R.
Experience Level: Mid-level
Applied Via: Online application via company website
Difficulty:
Final Result:
Interview Process
3
Questions Asked
- Describe your experience with CRISPR technology.
- How do you design experiments to ensure reproducibility?
- Explain a challenging research problem you solved.
Advice
Prepare detailed examples of your lab work and be ready to discuss specific techniques.
Full Experience
The process started with an online application, followed by a phone screening focusing on my background. The second round was a technical interview with the research team, where they asked about my hands-on experience with gene editing. The final round was an in-person panel interview discussing project management and collaboration. Overall, the interviewers were friendly and interested in my scientific approach.
Frequently Asked Questions in RDA Labs
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Common Interview Questions in RDA Labs
Q: In a sports contest there were m medals awarded on n successive days (n > 1). 1. On the first day 1 medal and 1/7 of the remaining m - 1 medals were awarded. 2. On the second day 2 medals and 1/7 of the now remaining medals was awarded; and so on.On the nth and last day, the remaining n medals were awarded.How many days did the contest last, and how many medals were awarded altogether?
Q: A man has a wolf, a goat, and a cabbage. He must cross a river with the two animals and the cabbage. There is a small rowing-boat, in which he can take only one thing with him at a time. If, however, the wolf and the goat are left alone, the wolf will eat the goat. If the goat and the cabbage are left alone, the goat will eat the cabbage. How can the man get across the river with the two animals and the cabbage?
Q: A rich merchant had collected many gold coins. He did not want anybody to know about them. One day his wife asked, "How many gold coins do we have?" After pausing a moment, he replied, "Well! If I divide the coins into two unequal numbers, then 32 times the difference between the two numbers equals the difference between the squares of the two numbers."The wife looked puzzled. Can you help the merchant's wife by finding out how many gold coins they have?
Q: Consider a pile of Diamonds on a table. A thief enters and steals 1/2 of the total quantity and then again 2 extra from the remaining. After some time a second thief enters and steals 1/2 of the remaining+2. Then 3rd thief enters and steals 1/2 of the remaining+2. Then 4th thief enters and steals 1/2 of the remaining+2. When the 5th one enters he finds 1 diamond on the table. Find out the total no. of diamonds originally on the table before the 1st thief entered.
Q: The citizens of planet nigiet are 8 fingered and have thus developed their decimal system in base 8. A certain street in nigiet contains 1000 (in base 8) buildings numbered 1 to 1000. How many 3s are used in numbering these buildings?
Q: A light bulb is hanging in a room. Outside of the room there are three switches, of which only one is connected to the lamp. In the starting situation, all switches are 'off' and the bulb is not lit. If it is allowed to check in the room only once.How would you know which is the switch?
Q: There are 3 sticks placed at right angles to each other and a sphere is placed between the sticks . Now another sphere is placed in the gap between the sticks and Larger sphere . Find the radius of smaller sphere in terms of radius of larger sphere.
Q: ABCDE are sisters. Each of them gives 4 gifts and each receives 4 gifts No two sisters give the same combination ( e.g. if A gives 4 gifts to B then no other sisters can give four to other one.)Â (i) B gives four to A.(ii) C gives 3 to E. How much did A,B,C,E give to D?
Q: The egg vendor calls on his first customer and sells half his eggs and half an egg. To the second customer, he sells half of what he had left and half an egg and to the third customer he sells half of what he had then left and half an egg. By the way he did not break any eggs. In the end three eggs were remaining . How many total eggs he was having ?
Q: Every day a cyclist meets a train at a particular crossing .The road is straight before the crossing and both are travelling in the same direction.Cyclist travels with a speed of 10 kmph.One day the cyclist come late by 25 minutes and meets the train 5 km before the crossing.What is the speed of the train?
Q: A long, long time ago, two Egyptian camel drivers were fighting for the hand of the daughter of the sheik of Abbudzjabbu. The sheik, who liked neither of these men to become the future husband of his daughter, came up with a clever plan: a race would dete
Q: A vessel is full of liquid. From the vessel, 1/3rd of the liquid evaporates on the first day. On the second day 3/4th of the remaining liquid evaporates. What fraction of the volume is present at the end of the second day
Q: Jarius and Kylar are playing the game. If Jarius wins, then he wins twice as many games as Kylar. If Jarius loses, then Kylar wins as the same number of games that Jarius wins. How many do Jarius and Kylar play before this match?
Q: Give two dice - one is a standard dice, the other is blank (nothing painted on any of the faces). The problem is to paint the blank dice in such a manner so that when you roll both of them together, the sum of both the faces should lie between 1 and 12. Numbers from 1-12 (both inclusive) equally likely.
Q: There are four dogs/ants/people at four corners of a square of unit distance. At the same instant all of them start running with unit speed towards the person on their clockwise direction and will always run towards that target. How long does it take for them to meet and where?
Q: Consider a series in which 8 teams are participating. each team plays twice with all other teams. 4 of them will go to the semi final. How many matches should a team win, so that it will ensure that it will go to semi finals.?
Q: In a country where everyone wants a boy, each family continues having babies till they have a boy. After some time, what is the proportion of boys to girls in the country? (Assuming probability of having a boy or a girl is the same)
Q: A family X went for a vacation. Unfortunately it rained for 13 days when they were there. But whenever it rained in the mornings, they had clear afternoons and vice versa. In all they enjoyed 11 mornings and 12 afternoons. How many days did they stay there totally?
Q: A Man is sitting in the last coach of train could not find a seat, so he starts walking to the front coach ,he walks for 5 min and reaches front coach. Not finding a seat he walks back to last coach and when he reaches there,train had completed 5 miles. what is the speed of the train ?
Q: There are some chickens in a poultry. They are fed with corn. One sack of corn will come for 9 days. The farmer decides to sell some chickens and wanted to hold 12 chicken with him. He cuts the feed by 10% and sack of corn comes for 30...
