What will be the output of this Ruby code?

medium📝 Predict Output Q13 of 15

Ruby - Variables and Data Types

def add(a, b)
  a + b
end

puts add(5, "10")

A15

BTypeError

C510

Dnil

Step-by-Step Solution

Solution:

Step 1: Analyze the method call
The method add tries to add an integer (5) and a string ("10") using + operator.
Step 2: Understand Ruby's strong typing
Ruby does not automatically convert types for +; adding integer and string causes a TypeError.
Final Answer:
TypeError -> Option B
Quick Check:
Strong typing prevents int + string = B [OK]

Quick Trick: Adding different types without conversion causes TypeError [OK]

Common Mistakes:

MISTAKES

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