[Solved] What is the output of this Ruby code? nums = [10, 15, 20, 25] result = nums.select { |n| n > 15 } puts result.inspect | Ruby

Ruby - Enumerable and Collection Processing

What is the output of this Ruby code?

nums = [10, 15, 20, 25]
result = nums.select { |n| n > 15 }
puts result.inspect

A[10, 15]

B[20, 25]

C[15, 20, 25]

D[]

Step-by-Step Solution

Solution:

Step 1: Analyze the condition inside select
The block filters numbers greater than 15.
Step 2: Identify which elements satisfy the condition
Only 20 and 25 are greater than 15, so they are selected.
Final Answer:
[20, 25] -> Option B
Quick Check:
Filter condition > 15 = [20, 25] [OK]

Quick Trick: Select returns elements matching the block condition [OK]

Common Mistakes:

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