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 hare and a tortoise have a race along a circle of 100 yards diameter. The tortoise goes in one directionand the hare in the other. The hare starts after the tortoise has covered 1/5 of its distance and that too leisurely.The hare and tortoise meet when the hare has covered only 1/8 of the distance. By what factor should the hareincrease its speed so as to tie the race?
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: 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?
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: Tom has three boxes with fruits in his barn: one box with apples, one box with pears, and one box with both apples and pears. The boxes have labels that describe the contents, but none of these labels is on the right box. How can Tom, by taking only one p
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: 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: Jack and his wife went to a party where four other married couples were present. Every person shook hands with everyone he or she was not acquainted with. When the handshaking was over, Jack asked everyone, including his own wife, how many hands they shook?
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 person meets a train at a railway station coming daily at a particular time. One day he is late by 25 minutes, and he meets the train 5 k.m. before the station. If his speed is 12 kmph, what is the speed of the train.
Q: Joe started from Bombay towards Pune and her friend julie in opposite direction. they met at a point . distance traveled by joe was 1.8 miles more than that of julie.after spending some both started there way. joe reaches in 2 hours while julie in 3.5 hours.Assuming both were traveling with constant speed. What is the distance between the two cities.
Q: Four persons have to cross the bridge they are having one torch light. Four persons take 1,2,5,10 minutes respectively, when two persons are going they will take the time of the slowest person. What is the time taken to cross by all of them.
Q: The profit made by a company in one year is enough to give 6% return on all shares. But as the preferred shares get on return of 7.5%, so the ordinary shares got on return of 5%. If the value of preferred shares is Rs 4,000000, then what is the va...
Q: On a particular day A and B decide that they would either speak the truth or will lie. C asks A whether he is speaking truth or lying? He answers and B listens to what he said. C then asks B what A has said B says "A says that he is a liar"
