Ruby - Loops and Iteration
What is the output of this Ruby code?
sum = 0
for i in 1..4
sum += i
end
puts sumWhat is the output of this Ruby code?
medium📝 Predict Output Q13 of 15
Step-by-Step Solution
Solution:
Step 1: Understand the loop range and sum initialization
The loop runs from 1 to 4, and sum starts at 0.Step 2: Calculate sum after each iteration
sum = 0+1=1, then 1+2=3, then 3+3=6, then 6+4=10.Final Answer:
10 -> Option DQuick Check:
Sum of 1 to 4 is 10 [OK]
Quick Trick: Add numbers 1 through 4 to get 10 quickly [OK]
Common Mistakes:
MISTAKES- Forgetting to include last number 4
- Starting sum at 1 instead of 0
- Syntax errors in loop
Master "Loops and Iteration" in Ruby
Want More Practice?
15+ quiz questions · All difficulty levels · Free
Free Signup - Practice All QuestionsMore Ruby Quizzes