Which Ruby expression will return true for a truthy value?

easy📝 Conceptual Q2 of 15

Ruby - Operators and Expressions

Aif 0 then true else false end

Bif false then true else false end

Cif nil then true else false end

Dif nil || false then true else false end

Step-by-Step Solution

Solution:

Step 1: Recall truthy and falsy values in Ruby
Only false and nil are falsy; everything else is truthy.
Step 2: Evaluate each expression
Options A and B check falsy values and return false. if 0 then true else false end checks 0, which is truthy, so returns true. if nil || false then true else false end uses nil || false which is falsy, so returns false.
Final Answer:
if 0 then true else false end returns true -> Option A
Quick Check:
Truthy check with 0 = true [OK]

Quick Trick: Only false and nil are falsy; 0 is truthy [OK]

Common Mistakes:

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