Basic Syntax in Ruby MCQ question and answer with solution

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Each section contains 100 MCQs on Basic Syntax in Ruby .

What is the difference between && and & operators?

A) && checks for logical AND, & checks for bitwise AND B) Both operators are the same C) && checks for bitwise AND, & checks for logical AND D) && checks for string concatenation, & checks for logical AND

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Answer & Solution

Answer: Option A

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

What is the purpose of the require keyword in Ruby?

A) Loads a specific Ruby file B) Defines a new module C) Creates a new class D) Imports external libraries

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Answer & Solution

Answer: Option D

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How do you get the current date and time in Ruby?

A) date = Date.now B) time = Time.now C) datetime = DateTime.now D) now = Date.today

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Answer & Solution

Answer: Option B

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

What is the correct way to cast a string to an integer in Ruby?

A) string.to_i B) string.integer C) int(string) D) string.convert(:integer)

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Answer & Solution

Answer: Option A

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What is the correct way to declare and initialize a variable in Ruby?

A) var_name = value B) var var_name = value C) variable var_name = value D) variable_name = value

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Answer & Solution

Answer: Option D

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Which symbol is used for the modulo operation in Ruby?

A) % B) * C) / D) &

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Answer & Solution

Answer: Option A

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What does the 'chomp' method do in Ruby?

A) Removes trailing whitespace B) Converts to integer C) Reads input from user D) Splits a string

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Answer & Solution

Answer: Option A

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Which method is used to check if a string contains a specific substring in Ruby?

A) .contains B) .exist C) .include? D) .hasSubstring

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Answer & Solution

Answer: Option C

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In Ruby, what does the 'if' statement evaluate?

A) Expression B) Boolean value C) Integer D) String

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Answer & Solution

Answer: Option B

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Which operator is used for exponentiation in Ruby?

A) ** B) ^ C) ^^ D) //

Discuss

Answer & Solution

Answer: Option A

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

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Basic Syntax in Ruby MCQ question and answer with solution | Ruby Programming MCQs