What will this Ruby code print?

medium📝 Predict Output Q5 of 15

Ruby - Variables and Data Types

count = 3
puts "Count is #{count + 2}"

ACount is count + 2

BCount is 3 + 2

CCount is 5

DError: invalid expression

Step-by-Step Solution

Solution:

Step 1: Evaluate expression inside interpolation
The expression count + 2 equals 3 + 2 = 5.
Step 2: Replace interpolation with result
The string becomes "Count is 5" and is printed.
Final Answer:
Count is 5 -> Option C
Quick Check:
Expressions inside #{ } are evaluated before insertion [OK]

Quick Trick: You can do math inside #{ } to show results [OK]

Common Mistakes:

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