Binge Hospitality And Retail Interview Questions and Answers

Hash map is a data structure that stores key-value pairs and uses a hash function to map keys to indices in an array.

• Hash function is used to convert the key into an index in the array

• Collisions occur when two keys map to the same index, which can be resolved using separate chaining or open addressing

• Load factor is the ratio of number of elements to the size of the array, and affects the performance of hash map

• Operatio...read more

SQL query to get 2nd highest salary

• Use ORDER BY and LIMIT to get the highest salary

• Use subquery to exclude the highest salary and get the 2nd highest

• Example: SELECT salary FROM employees ORDER BY salary DESC LIMIT 1,1

To sell a product, understand the customer's needs, highlight the benefits, and create a sense of urgency.

• Research the target audience and their pain points

• Highlight the unique features and benefits of the product

• Create a sense of urgency through limited time offers or scarcity

• Provide excellent customer service and follow-up

• Offer incentives or discounts for repeat business

• Use persuasive language and storytelling to con...read more

SLA at work refers to the agreed upon level of service that a facility manager is responsible for delivering.

• SLA stands for Service Level Agreement.

• It outlines the specific services to be provided, performance metrics, and expected response times.

• Facility managers ensure compliance with SLAs to meet client expectations.

• Examples of SLAs in facility management include maintenance response times, cleaning frequencies, and...read more

There are 18 zeroes in factorial 78.

• To find the number of zeroes in a factorial, we need to count the number of times 10 appears as a factor.

• Since 10 = 2 x 5, we need to count the number of times 2 and 5 appear as factors.

• Since there are more factors of 2 than 5 in factorial 78, we only need to count the number of times 5 appears as a factor.

• We can use the formula n/5 + n/25 + n/125 + ... to count the number of times 5...read more

Probability of raining given 3 friends with 2/3 truth probability saying it's raining.

• Use Bayes' theorem to calculate the probability

• P(Raining | All Friends Saying It's Raining) = P(All Friends Saying It's Raining | Raining) * P(Raining) / P(All Friends Saying It's Raining)

• P(All Friends Saying It's Raining | Raining) = 1

• P(Raining) = Prior probability of raining

• P(All Friends Saying It's Raining) = Probability of all fri