What is the output of this Ruby code?

medium📝 Predict Output Q4 of 15

Ruby - Control Flow

count = 0
count += 1 if true
count += 1 unless false
puts count

DError

Step-by-Step Solution

Solution:

Step 1: Evaluate first increment
count += 1 if true runs because condition is true, count becomes 1.
Step 2: Evaluate second increment
count += 1 unless false runs because condition is false, count becomes 2.
Final Answer:
2 -> Option A
Quick Check:
Inline if/unless conditions true/false increment count [OK]

Quick Trick: Inline if runs if true; unless runs if false [OK]

Common Mistakes:

Master "Control Flow" in Ruby

9 interactive learning modes - each teaches the same concept differently

Want More Practice?

15+ quiz questions · All difficulty levels · Free

More Ruby Quizzes