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

1

How do you create a new Date object representing the current date in Ruby?

A) Date.now B) Date.current C) Date.today D) Date.new

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Answer & Solution

Answer: Option C

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2

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

A) Returns the year of the Time object B) Formats a Time object into a string according to the specified format C) Returns the day of the week of the Time object D) None of the above

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Answer & Solution

Answer: Option B

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3

Which method is used to subtract a number of days from a Date object in Ruby?

A) prev_days B) days_ago C) prev_day D) subtract_days

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Answer & Solution

Answer: Option C

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4

What is the purpose of the strptime method in Ruby?

A) Converts a Date or Time object to a string B) Returns the day of the month of the Date or Time object C) Returns the month of the Date or Time object D) Parses a string into a Date or Time object using a specified format

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Answer & Solution

Answer: Option D

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5

Which method is used to add a number of months to a Date object in Ruby?

A) next_month B) add_month C) months_from_now D) advance_months

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Answer & Solution

Answer: Option A

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6

What is the purpose of the Time.now method in Ruby?

A) Returns the current time as the number of milliseconds since the Unix epoch B) Returns the current time as the number of seconds since the Unix epoch C) Returns the current time as a string D) Returns the current time as a Time object

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Answer & Solution

Answer: Option D

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7

How do you find the difference in seconds between two Time objects in Ruby?

A) Use the diff method with the seconds option B) Use the difference method with the seconds option C) Subtract one Time object from another and convert the result to seconds D) Use the delta method with the seconds option

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Answer & Solution

Answer: Option C

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8

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

A) Returns the time zone abbreviation of the Time object B) Returns the time zone of the Time object 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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9

How do you convert a Date object to a string in Ruby?

A) Use the parse method B) Use the stringify method C) Use the to_s method D) Use the convert_to_string method

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Answer & Solution

Answer: Option C

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10

Which method is used to find the number of days between two Date objects in Ruby?

A) days_until B) days_difference C) subtract_date D) difference_in_days

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Answer & Solution

Answer: Option D

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