What is the output of this Ruby code?

medium📝 Predict Output Q13 of 15

Ruby - Functional Patterns in Ruby

def multiply(x, y)
  x * y
end

result = multiply(3, 4)
puts result

AError

Bnil

C12

Step-by-Step Solution

Solution:

Step 1: Understand the multiply function
The function returns the product of x and y, so multiply(3, 4) returns 12.
Step 2: Check the output statement
puts prints the returned value, so it prints 12.
Final Answer:
12 -> Option C
Quick Check:
multiply(3,4) = 12 [OK]

Quick Trick: Pure functions return predictable output; multiply(3,4) = 12 [OK]

Common Mistakes:

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