[Solved] What will this Ruby method return?def nested x = 3 y = (1..5).map do |n| n * x end y.select { |v| v > 10 } end result = nested | Ruby

Ruby - Methods

What will this Ruby method return?

def nested
  x = 3
  y = (1..5).map do |n|
    n * x
  end
  y.select { |v| v > 10 }
end
result = nested

A[3, 6, 9, 12, 15]

B[1, 2, 3]

Cnil

D[12, 15]

Step-by-Step Solution

Solution:

Step 1: Calculate map block
Mapping 1..5 with n * x where x=3 gives [3, 6, 9, 12, 15].
Step 2: Apply select block
Select values greater than 10: [12, 15]. This is the last expression.
Final Answer:
[12, 15] -> Option D
Quick Check:
Implicit return returns last expression value [OK]

Quick Trick: Last expression in method is returned implicitly [OK]

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