Working with Dates and Times in Ruby MCQ question and answer with solution

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What does the to_date method do when applied to a Time object in Ruby?

A) Converts a Time object to a Date object B) Converts a Time object to a string C) Converts a Time object to a number of seconds since the Unix epoch D) Converts a Time object to a number of milliseconds since the Unix epoch

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Answer & Solution

Answer: Option A

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How do you find the number of seconds since the Unix epoch for a Time object in Ruby?

A) Use the epoch_seconds method B) Use the timestamp method C) Use the seconds_since_epoch method D) Use the to_i method

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Answer & Solution

Answer: Option D

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Which method is used to check if a Time object occurs after another Time object in Ruby?

A) is_after? B) occurs_after? C) after? D) happens_after?

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Answer & Solution

Answer: Option C

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What does the utc_offset method return for a Time object in Ruby?

A) Returns the time zone abbreviation of the Time object B) Returns the offset of the Time object from UTC in seconds C) Returns the time zone ID of the Time object D) None of the above

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Answer & Solution

Answer: Option B

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How do you find the number of months between two Date objects in Ruby?

A) Use the delta method with the months option B) Use the difference method with the months option C) Subtract one Date object from another and calculate the difference in months D) Use the months_between method

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Answer & Solution

Answer: Option C

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How do you find the day of the week for a given Date object in Ruby?

A) day_of_week B) weekday C) day D) wday

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Answer & Solution

Answer: Option D

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What is the purpose of the zone method for a DateTime object in Ruby?

A) Returns the time zone of the DateTime object B) Returns the time zone abbreviation of the DateTime object C) Returns the time zone offset of the DateTime object D) Returns the time zone ID of the DateTime object

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Answer & Solution

Answer: Option A

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How do you convert a Time object to the local time zone in Ruby?

A) Use the timezone method B) Use the to_local method C) Use the convert_to_local method D) Use the localtime method

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Answer & Solution

Answer: Option D

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Which method is used to calculate the difference in years between two Date objects in Ruby?

A) years_between B) years_difference C) difference_in_years D) subtract_years

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Answer & Solution

Answer: Option C

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What does the month method return for a Date object in Ruby?

A) Returns the day of the month (1-31) B) Returns the month of the year (1-12) C) Returns the year of the Date object D) None of the above

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Answer & Solution

Answer: Option B

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Working with Dates and Times in Ruby MCQ question and answer with solution | Ruby Programming MCQs