Paytm Payments Bank QA Automation Engineer Interview Questions and Answers

A coding test based on data structure and Algorithms.

Q1. Question based on Projects in the resume
Add your answer
Q2. Data Structure and Algorithms Object oriented programming Database management system Operating system
Add your answer

The Question was average, the interviewer had a fixed approach in mind, which he wanted to follow, but was friendly and trying to help. Overall a good experience.

There was a Hackerearth test with two questions

Q1. Some standard data structures question on array
Add your answer
Q2. Standard question on trees
Add your answer

Q1. What's your name? Previously working details
Add your answer
Q2. Your long term goals?
Add your answer

All about coding and solving questions

Q1. All about coding questions in depth and follow up questions
Add your answer
Q2. Be good in coding
Add your answer

Alert notification and logging system

Snakes and Ladder problem

2-3 coding questions were asked - from easy -> medium -> hard level. 1st and 2nd questions were around dynamic programming. Couldn't reach till third question since 1st two questions took time.

4 question (1.5 hrs test) 400 points (100 points for question each)

Q1. Calculate the no.of consecutive zeroes in a binary array
Ans. 
Count consecutive zeroes in a binary array
• Iterate through the binary array and keep track of the maximum consecutive zeroes encountered

• Reset the count of consecutive zeroes when a non-zero element is encountered

• Return the maximum consecutive zeroes found
Answered by AI
Add your answer
Q2. Return k pairs of subsets having sum=num
Ans. 
Return k pairs of subsets with sum=num
• Use a nested loop to iterate through all possible pairs of subsets

• Check if the sum of the subsets equals the target num

• Store the valid pairs in an array and return k pairs
Answered by AI
Add your answer