Wintax Solution Interview Questions and Answers for Freshers

Q1. Write the program to String Reverse
Ans. 
Program to reverse an array of strings
• Iterate through each string in the array and reverse it

• Use a temporary variable to swap characters at each end of the string

• Return the reversed array of strings
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Q2. Write the program to extract the Digits and add the then
Ans. 
Program to extract digits from a string and add them together
• Iterate through each character in the string

• Check if the character is a digit using isdigit() function

• Convert the digit character to integer and add it to a running total

• Return the total sum of digits
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Q1. About Your self?
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Q2. About last experience ?
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Q1. Some basic SQL based questions and PySpark questions
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Q2. Coalesce and partition in PySpark
Ans. 
Coalesce reduces the number of partitions in a DataFrame, while repartition increases the number of partitions.
• Coalesce is used to reduce the number of partitions in a DataFrame without shuffling the data

• Repartition is used to increase the number of partitions in a DataFrame and can involve shuffling the data

• Coalesce is more efficient than repartition when reducing partitions as it avoids shuffling
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Q3. Puzzles of get 4 litter of water using 3 litter and 5 litter flask. Famous online puzzle
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Transformers topic was discuss in group discussed

Q1. Why would you choose our company?
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Q2. What would you do if the company suddenly started to fail horribly?
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Q1. Technical questions like c,c++
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Q2. About python ,php,java, javascript
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Q1. Basic about product management
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Q2. Salary expectation
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Q1. Prd and brd basic
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Q2. Customer acquisition cost
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Customer acquisition cost is the cost associated with convincing a customer to buy a product or service.
• Customer acquisition cost includes marketing, advertising, sales, and other expenses.

• It is calculated by dividing the total cost of acquiring customers by the number of customers acquired.

• For example, if a company spends $10,000 on marketing and acquires 100 customers, the customer acquisition cost is $100.
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