[Solved] Find the error in this Ruby code snippet:value = "100" value = value + 50 puts value — Ans: TypeError: Integer can't be added to String | Ruby

Ruby - Variables and Data Types

Find the error in this Ruby code snippet:

value = "100"
value = value + 50
puts value

ASyntaxError: invalid assignment

BNo error, outputs "150"

CTypeError: Integer can't be added to String

DOutputs "10050"

Step-by-Step Solution

Solution:

Step 1: Check operation types
value is a String "100", then tries to add Integer 50.
Step 2: Ruby type rules
Ruby does not auto-convert String and Integer in addition, causing a TypeError.
Final Answer:
TypeError: Integer can't be added to String -> Option C
Quick Check:
Cannot add String and Integer directly [OK]

Quick Trick: Convert types before adding different kinds [OK]

Common Mistakes:

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