PTC Interview Questions, Process, and Tips

I will buy a particular vehicle by considering my budget, researching different models, test driving them, and negotiating the price.

• Determine my budget for the vehicle

• Research different vehicle models that meet my requirements

• Test drive the shortlisted vehicles to assess their performance and comfort

• Compare prices from different sellers and negotiate for the best deal

Test all possible input combinations and edge cases to find bugs in the addition program.

• Test with positive and negative numbers

• Test with decimal numbers

• Test with large numbers

• Test with zero

• Test with one number being zero

• Test with non-numeric inputs

• Test with overflow or underflow

• Test with different data types

• Test with different operating systems and browsers

Code to print * in five consecutive lines

• Use a loop to iterate five times

• Inside the loop, print a string containing a single * character

Code to calculate number of bounces a ball goes through until it comes to rest.

• Use a loop to simulate the bounces until the ball stops bouncing

• Calculate the height of each bounce using the given formula

• Keep track of the number of bounces in a counter variable

The best and less time consuming way to calculate factorial of a number is using iterative approach.

• Iteratively multiply the number with all the numbers from 1 to the given number

• Start with a result variable initialized to 1

• Multiply the result with each number in the range

• Return the final result

Code to find factorial using function recursion

• Define a function that takes an integer as input

• Check if the input is 0 or 1, return 1 in that case

• Otherwise, call the function recursively with input-1 and multiply it with the input