[Solved] Identify the error in this Ruby code:def add_numbers(a, b) a + b end puts add_numbers(10, nil) — Ans: TypeError: nil can't be coerced into Integer | Ruby

Ruby - Variables and Data Types

Identify the error in this Ruby code:

def add_numbers(a, b)
  a + b
end

puts add_numbers(10, nil)

AOutputs '10nil'

BNo error, outputs 10

CSyntaxError: unexpected nil

DTypeError: nil can't be coerced into Integer

Step-by-Step Solution

Solution:

Step 1: Understand addition with nil
Adding an integer and nil is invalid in Ruby and raises a TypeError.
Step 2: Check error message
Ruby raises "nil can't be coerced into Integer" when trying to add nil to a number.
Final Answer:
TypeError: nil can't be coerced into Integer -> Option D
Quick Check:
Strong typing disallows adding nil to number [OK]

Quick Trick: Adding nil to number causes TypeError [OK]

Common Mistakes:

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