[Solved] What will this Ruby code print?def calculate(price:, tax: 0.1) price + price * tax end puts calculate(price: 100) | Ruby

Ruby - Methods

What will this Ruby code print?

def calculate(price:, tax: 0.1)
  price + price * tax
end

puts calculate(price: 100)

A110.0

B100

CError: missing keyword argument tax

D10.0

Step-by-Step Solution

Solution:

Step 1: Check default keyword argument
The method defines tax with a default value of 0.1, so it is optional.
Step 2: Calculate the result
Calling with price: 100 uses tax = 0.1, so result = 100 + 100 * 0.1 = 110.0.
Final Answer:
110.0 -> Option A
Quick Check:
Default keyword arguments provide fallback values [OK]

Quick Trick: Default keyword args fill in missing values [OK]

Common Mistakes:

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