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Operation Interview Questions

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25 horses, 5 race tracks. How many races you have to run to select top 5 horses.

58 Answers

7 Races First race all 25 in groups for 5 to figure out top 3 in each group. (15 left) Call them A1 B1 C1 D1 E1 A2 B2 C2 D2 E2 A3 B3 C3 D3 E3 Here A1 is faster than A2. A2 is faster than A3. The same applies for the rest of the groups. Now race A1, B1 C1 D1 E1 Lets say the order of the horses according to ranking was A1, B1,C1,D1,E1 So A1 is No 1 Now A1 is faster than B1 and B1 is faster than C1. So we can get rid of the entire D and E groups 9 horses remaining Also A1 is faster than B1 and B1 is faster than C1. So we can get rid of C2 and C3 7 horses remaining A1 is faster than B1. B1 is faster than B2. get rid of B3 6 horses remaining Out of these, We know A1 is the fastest. So now race A2, A3, B1,B2,C1 to figure out No2 and No3 positions

One race is the answer

Why 1?

What is your least favorite thing about humanity?

30 Answers

Rate yourself on a scale of 1 to 10 how weird you are.

15 Answers

CASE: Cross-selling Credit Insurance to Cardholders direct mail: .50, 1% response rate, avg balance $1000, 5% claim insurance, etc. Profitable? How make more profitable? What if response rate doubled but claims doubled? Make chart of profit curve, what does it mean if..., etc.

13 Answers

You have the choice between using first class or third class mail for a letter you are sending out to potential customers. First class costs $0.50 per piece and reach 100% of potential customers. Third class costs $0.40 per piece and reaches 80% of potential customers. Which do you use?

11 Answers

What are the number of new customers needed in order to break even?

7 Answers

Pretend 1% of the population has a disease. You have a test that determines if you have that disease, but it's only 80% accurate and 20% of the time you get a false positive, how likely is it you have the disease.

12 Answers

Behavioral based questions were easy to prepare for. Amazon prefers the STAR (situation, task, action, result) method to answer. Would suggestion preparing for the math flow question. I was asked the following: You have 30 associates who all work an 8 hour day, 5 days a week. 2 need to be in indirect (non-volume producing) roles. Your direct (production) rate is 150 units per hour, but you have two 15-minute breaks during the day. How many units can your department produce in a 40 hour week?

8 Answers

How would you handle a franchisee who did not want to follow an idea or suggestion you created?

5 Answers

If I handed you a rubiks cube and told you that it had to be solved by tomorrow, how would you respond?

9 Answers
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