You want to create an array of squares of numbers from 1 to 5 using upto. Which code correctly does this?

hard📝 Application Q8 of 15

Ruby - Loops and Iteration

You want to create an array of squares of numbers from 1 to 5 using upto. Which code correctly does this?

Asquares = [] 5.downto(1) { |i| squares << i * i } puts squares.join(",")

Bsquares = [] 1.upto(5) { |i| squares << i * i } puts squares.join(",")

Csquares = [] 1.downto(5) { |i| squares << i * i } puts squares.join(",")

Dsquares = [] 5.upto(1) { |i| squares << i * i } puts squares.join(",")

Step-by-Step Solution

Solution:

Step 1: Identify correct counting method
To count from 1 to 5, use upto starting at 1.
Step 2: Check code correctness
squares = [] 1.upto(5) { |i| squares << i * i } puts squares.join(",") uses 1.upto(5) and appends squares correctly.
Final Answer:
squares = [] 1.upto(5) { |i| squares << i * i } puts squares.join(",") -> Option B
Quick Check:
Use upto for ascending range = A [OK]

Quick Trick: Use upto with block to build arrays ascending [OK]

Common Mistakes:

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