Control Structures in Ruby MCQ question and answer with solution

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Each section contains 100 MCQs on Control Structures in Ruby .

What does the `next` keyword do in a loop in Ruby?

A) Continues to the next iteration of the loop B) Exits the loop C) Skips the current iteration of the loop D) Resets the loop counter to 0

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

In Ruby, what does the `elsif` keyword allow you to do?

A) Add a new class to a module B) Define an instance method within a class C) Add an else-if condition to an if statement D) Create a new variable

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Which of the following is NOT a logical operator in Ruby?

A) && B) || C) !! D) %%

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

What is the output of the following code snippet?

x = 5
while x > 0
  puts x
  x -= 1
end

A) 54321 B) 12345 C) Error D) Infinite loop

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

What does the `retry` keyword do in Ruby?

A) Repeats the current iteration of the loop B) Exits the loop C) Restarts the loop from the beginning D) Restarts the current block of code from the beginning

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Which loop in Ruby allows you to execute code while a condition is true?

A) while B) for C) until D) loop

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

What does the unless keyword do in Ruby?

A) Executes code if condition is true B) Executes code if condition is false C) Breaks out of loop if condition is true D) Executes code only once if condition is true

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

What is the purpose of the next keyword in a loop in Ruby?

A) Exits the loop B) Skips the current iteration of the loop C) Resets the loop counter to 0 D) Continues to the next iteration of the loop

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

What is the output of the following code snippet?

x = 1
loop do
  puts x
  x += 1
  break if x > 5
end

A) 1 2 3 4 5 B) 1 2 3 4 C) 5 4 3 2 1 D) 1 1 1 1 1

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

In Ruby, what is the purpose of the `case` statement when combined with `when` clauses?

A) To define a block of code that executes when a condition is met B) To iterate over a collection of elements C) To perform mathematical calculations D) To define a class

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

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Control Structures in Ruby MCQ question and answer with solution | Ruby Programming MCQs