Working With Dates And Times In Ruby — Part 1 MCQs with Explanations
Practice high-yield Programming & Software Development MCQs on Working With Dates And Times In Ruby — Part 1 with worked academic solutions for FPSC, PPSC, NTS, NITB, PTS.
Questions
40
Difficulty Level
Exam-Level
Target Exams
FPSC, PPSC, NTS...
Estimated Time
48 mins
Exam-Level FPSC PPSC NTS NITB PTS
Verified for Commission Syllabus • Oct 14, 2026
40
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Question 1 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
How do you create a new Date object representing the current date in Ruby?
Correct Answer: Option C — Date.today
Detailed Academic Explanation:
Date.today is the correct answer to “How do you create a new Date object representing the current date in Ruby”. This question is standard in competitive examination syllabi for Working With Dates And Times In Ruby.
💡Key Conceptual Anchor:Working With Dates And Times In Ruby
Question 2 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What does the strftime method do in Ruby when applied to a Time object?
Correct Answer: Option B — Formats a Time object into a string according to the specified format
Detailed Academic Explanation:
Formats a Time object into a string according to the specified format is the correct answer to “What does the strftime method do in Ruby when applied to a Time object”. This question is standard in competitive examination syllabi for Working With Dates And Times In Ruby.
💡Key Conceptual Anchor:Working With Dates And Times In Ruby
Question 3 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
Which method is used to subtract a number of days from a Date object in Ruby?
Correct Answer: Option C — prev_day
Detailed Academic Explanation:
prev_day is the correct answer to “Which method is used to subtract a number of days from a Date object in Ruby”. This question is standard in competitive examination syllabi for Working With Dates And Times In Ruby.
💡Key Conceptual Anchor:Working With Dates And Times In Ruby
Question 4 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What is the purpose of the strptime method in Ruby?
Correct Answer: Option D — Parses a string into a Date or Time object using a specified format
Detailed Academic Explanation:
Parses a string into a Date or Time object using a specified format is the correct answer to “What is the purpose of the strptime method in Ruby”. This question is standard in competitive examination syllabi for Working With Dates And Times In Ruby.
💡Key Conceptual Anchor:Working With Dates And Times In Ruby
Question 5 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
Which method is used to add a number of months to a Date object in Ruby?
Correct Answer: Option A — next_month
Detailed Academic Explanation:
next_month is the correct answer to “Which method is used to add a number of months to a Date object in Ruby”. This question is standard in competitive examination syllabi for Working With Dates And Times In Ruby.
💡Key Conceptual Anchor:Working With Dates And Times In Ruby
Question 6 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What is the purpose of the Time.now method in Ruby?
Correct Answer: Option D — Returns the current time as a Time object
Detailed Academic Explanation:
Returns the current time as a Time object is the correct answer to “What is the purpose of the Time.now method in Ruby”. This question is standard in competitive examination syllabi for Working With Dates And Times In Ruby.
💡Key Conceptual Anchor:Working With Dates And Times In Ruby
Question 7 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
How do you find the difference in seconds between two Time objects in Ruby?
Correct Answer: Option C — Subtract one Time object from another and convert the result to seconds
Detailed Academic Explanation:
Subtract one Time object from another and convert the result to seconds is the correct answer to “How do you find the difference in seconds between two Time objects in Ruby”. This question is standard in competitive examination syllabi for Working With Dates And Times In Ruby.
💡Key Conceptual Anchor:Working With Dates And Times In Ruby
Question 8 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What does the zone method return for a Time object in Ruby?
Correct Answer: Option B — Returns the time zone of the Time object
Detailed Academic Explanation:
Returns the time zone of the Time object is the correct answer to “What does the zone method return for a Time object in Ruby”. This question is standard in competitive examination syllabi for Working With Dates And Times In Ruby.
💡Key Conceptual Anchor:Working With Dates And Times In Ruby
Question 9 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
How do you convert a Date object to a string in Ruby?
Correct Answer: Option C — Use the to_s method
Detailed Academic Explanation:
Use the to_s method is the correct answer to “How do you convert a Date object to a string in Ruby”. This question is standard in competitive examination syllabi for Working With Dates And Times In Ruby.
💡Key Conceptual Anchor:Working With Dates And Times In Ruby
Question 10 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
Which method is used to find the number of days between two Date objects in Ruby?
Correct Answer: Option D — difference_in_days
Detailed Academic Explanation:
difference_in_days is the correct answer to “Which method is used to find the number of days between two Date objects in Ruby”. This question is standard in competitive examination syllabi for Working With Dates And Times In Ruby.
💡Key Conceptual Anchor:Working With Dates And Times In Ruby
Question 11 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What does the to_date method do when applied to a Time object in Ruby?
Correct Answer: Option A — Converts a Time object to a Date object
Detailed Academic Explanation:
Converts a Time object to a Date object is the correct answer to “What does the to_date method do when applied to a Time object in Ruby”. This question is standard in competitive examination syllabi for Working With Dates And Times In Ruby.
💡Key Conceptual Anchor:Working With Dates And Times In Ruby
Question 12 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
How do you find the number of seconds since the Unix epoch for a Time object in Ruby?
Correct Answer: Option D — Use the to_i method
Detailed Academic Explanation:
Use the to_i method is the correct answer to “How do you find the number of seconds since the Unix epoch for a Time object in Ruby”. This question is standard in competitive examination syllabi for Working With Dates And Times In Ruby.
💡Key Conceptual Anchor:Working With Dates And Times In Ruby
Question 13 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
Which method is used to check if a Time object occurs after another Time object in Ruby?
Correct Answer: Option C — after?
Detailed Academic Explanation:
after? is the correct answer to “Which method is used to check if a Time object occurs after another Time object in Ruby”. This question is standard in competitive examination syllabi for Working With Dates And Times In Ruby.
💡Key Conceptual Anchor:Working With Dates And Times In Ruby
Question 14 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What does the utc_offset method return for a Time object in Ruby?
Correct Answer: Option B — Returns the offset of the Time object from UTC in seconds
Detailed Academic Explanation:
Returns the offset of the Time object from UTC in seconds is the correct answer to “What does the utc_offset method return for a Time object in Ruby”. This question is standard in competitive examination syllabi for Working With Dates And Times In Ruby.
💡Key Conceptual Anchor:Working With Dates And Times In Ruby
Question 15 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
How do you find the number of months between two Date objects in Ruby?
Correct Answer: Option C — Subtract one Date object from another and calculate the difference in months
Detailed Academic Explanation:
Subtract one Date object from another and calculate the difference in months is the correct answer to “How do you find the number of months between two Date objects in Ruby”. This question is standard in competitive examination syllabi for Working With Dates And Times In Ruby.
💡Key Conceptual Anchor:Working With Dates And Times In Ruby
Question 16 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
How do you find the day of the week for a given Date object in Ruby?
Correct Answer: Option D — wday
Detailed Academic Explanation:
wday is the correct answer to “How do you find the day of the week for a given Date object in Ruby”. This question is standard in competitive examination syllabi for Working With Dates And Times In Ruby.
💡Key Conceptual Anchor:Working With Dates And Times In Ruby
Question 17 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What is the purpose of the zone method for a DateTime object in Ruby?
Correct Answer: Option A — Returns the time zone of the DateTime object
Detailed Academic Explanation:
Returns the time zone of the DateTime object is the correct answer to “What is the purpose of the zone method for a DateTime object in Ruby”. This question is standard in competitive examination syllabi for Working With Dates And Times In Ruby.
💡Key Conceptual Anchor:Working With Dates And Times In Ruby
Question 18 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
How do you convert a Time object to the local time zone in Ruby?
Correct Answer: Option D — Use the localtime method
Detailed Academic Explanation:
Use the localtime method is the correct answer to “How do you convert a Time object to the local time zone in Ruby”. This question is standard in competitive examination syllabi for Working With Dates And Times In Ruby.
💡Key Conceptual Anchor:Working With Dates And Times In Ruby
Question 19 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
Which method is used to calculate the difference in years between two Date objects in Ruby?
Correct Answer: Option C — difference_in_years
Detailed Academic Explanation:
difference_in_years is the correct answer to “Which method is used to calculate the difference in years between two Date objects in Ruby”. This question is standard in competitive examination syllabi for Working With Dates And Times In Ruby.
💡Key Conceptual Anchor:Working With Dates And Times In Ruby
Question 20 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What does the month method return for a Date object in Ruby?
Correct Answer: Option B — Returns the month of the year (1-12)
Detailed Academic Explanation:
Returns the month of the year (1-12) is the correct answer to “What does the month method return for a Date object in Ruby”. This question is standard in competitive examination syllabi for Working With Dates And Times In Ruby.
💡Key Conceptual Anchor:Working With Dates And Times In Ruby
Question 21 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
How do you find the number of hours between two Time objects in Ruby?
Correct Answer: Option C — Subtract one Time object from another and divide the result by 3600 to convert to hours
Detailed Academic Explanation:
Subtract one Time object from another and divide the result by 3600 to convert to hours is the correct answer to “How do you find the number of hours between two Time objects in Ruby”. This question is standard in competitive examination syllabi for Working With Dates And Times In Ruby.
💡Key Conceptual Anchor:Working With Dates And Times In Ruby
Question 22 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What is the purpose of the parse method for parsing dates in Ruby?
Correct Answer: Option D — Converts a string to a Date object
Detailed Academic Explanation:
Converts a string to a Date object is the correct answer to “What is the purpose of the parse method for parsing dates in Ruby”. This question is standard in competitive examination syllabi for Working With Dates And Times In Ruby.
💡Key Conceptual Anchor:Working With Dates And Times In Ruby
Question 23 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
Which method is used to find the number of weeks between two Date objects in Ruby?
Correct Answer: Option A — difference_in_weeks
Detailed Academic Explanation:
difference_in_weeks is the correct answer to “Which method is used to find the number of weeks between two Date objects in Ruby”. This question is standard in competitive examination syllabi for Working With Dates And Times In Ruby.
💡Key Conceptual Anchor:Working With Dates And Times In Ruby
Question 24 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What does the start_of_week method do for a Date object in Ruby?
Correct Answer: Option D — Returns the first day of the week for the Date object
Detailed Academic Explanation:
Returns the first day of the week for the Date object is the correct answer to “What does the start_of_week method do for a Date object in Ruby”. This question is standard in competitive examination syllabi for Working With Dates And Times In Ruby.
💡Key Conceptual Anchor:Working With Dates And Times In Ruby
Question 25 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
How do you find the number of minutes between two Time objects in Ruby?
Correct Answer: Option C — Subtract one Time object from another and divide the result by 60 to convert to minutes
Detailed Academic Explanation:
Subtract one Time object from another and divide the result by 60 to convert to minutes is the correct answer to “How do you find the number of minutes between two Time objects in Ruby”. This question is standard in competitive examination syllabi for Working With Dates And Times In Ruby.
💡Key Conceptual Anchor:Working With Dates And Times In Ruby
Question 26 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What is the purpose of the xmlschema method for formatting date and time strings in Ruby?
Correct Answer: Option B — Converts a DateTime object to an XML schema-compliant string
Detailed Academic Explanation:
Converts a DateTime object to an XML schema-compliant string is the correct answer to “What is the purpose of the xmlschema method for formatting date and time strings in Ruby”. This question is standard in competitive examination syllabi for Working With Dates And Times In Ruby.
💡Key Conceptual Anchor:Working With Dates And Times In Ruby
Question 27 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
How do you find the number of seconds between two Time objects in Ruby?
Correct Answer: Option C — Subtract one Time object from another
Detailed Academic Explanation:
Subtract one Time object from another is the correct answer to “How do you find the number of seconds between two Time objects in Ruby”. This question is standard in competitive examination syllabi for Working With Dates And Times In Ruby.
💡Key Conceptual Anchor:Working With Dates And Times In Ruby
Question 28 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What does the ordinal method return for a Date object in Ruby?
Correct Answer: Option D — Returns the day of the week (1-7)
Detailed Academic Explanation:
Returns the day of the week (1-7) is the correct answer to “What does the ordinal method return for a Date object in Ruby”. This question is standard in competitive examination syllabi for Working With Dates And Times In Ruby.
💡Key Conceptual Anchor:Working With Dates And Times In Ruby
Question 29 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
How do you find the number of days between two Date objects in Ruby?
Correct Answer: Option C — Subtract one Date object from another
Detailed Academic Explanation:
Subtract one Date object from another is the correct answer to “How do you find the number of days between two Date objects in Ruby”. This question is standard in competitive examination syllabi for Working With Dates And Times In Ruby.
💡Key Conceptual Anchor:Working With Dates And Times In Ruby
Question 30 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What is the purpose of the zone method for a Date object in Ruby?
Correct Answer: Option D — Returns the time zone of the Date object
Detailed Academic Explanation:
Returns the time zone of the Date object is the correct answer to “What is the purpose of the zone method for a Date object in Ruby”. This question is standard in competitive examination syllabi for Working With Dates And Times In Ruby.
💡Key Conceptual Anchor:Working With Dates And Times In Ruby
Question 31 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
How do you find the number of days in the current month in Ruby?
Correct Answer: Option A — Date.today.days_in_month
Detailed Academic Explanation:
Date.today.days_in_month is the correct answer to “How do you find the number of days in the current month in Ruby”. This question is standard in competitive examination syllabi for Working With Dates And Times In Ruby.
💡Key Conceptual Anchor:Working With Dates And Times In Ruby
Question 32 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What does the utc method do for a Time object in Ruby?
Correct Answer: Option D — Converts the Time object to Coordinated Universal Time (UTC)
Detailed Academic Explanation:
Converts the Time object to Coordinated Universal Time (UTC) is the correct answer to “What does the utc method do for a Time object in Ruby”. This question is standard in competitive examination syllabi for Working With Dates And Times In Ruby.
💡Key Conceptual Anchor:Working With Dates And Times In Ruby
Question 33 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
How do you find the number of weeks in the current year in Ruby?
Correct Answer: Option C — Date.today.weeks_in_year
Detailed Academic Explanation:
Date.today.weeks_in_year is the correct answer to “How do you find the number of weeks in the current year in Ruby”. This question is standard in competitive examination syllabi for Working With Dates And Times In Ruby.
💡Key Conceptual Anchor:Working With Dates And Times In Ruby
Question 34 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
How do you find the number of seconds between two DateTime objects in Ruby?
Correct Answer: Option B — Subtract one DateTime object from another and convert the result to seconds
Detailed Academic Explanation:
Subtract one DateTime object from another and convert the result to seconds is the correct answer to “How do you find the number of seconds between two DateTime objects in Ruby”. This question is standard in competitive examination syllabi for Working With Dates And Times In Ruby.
💡Key Conceptual Anchor:Working With Dates And Times In Ruby
Question 35 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What does the at_beginning_of_day method do for a DateTime object in Ruby?
Correct Answer: Option C — Sets the time of the DateTime object to 00:00:00
Detailed Academic Explanation:
Sets the time of the DateTime object to 00:00:00 is the correct answer to “What does the at_beginning_of_day method do for a DateTime object in Ruby”. This question is standard in competitive examination syllabi for Working With Dates And Times In Ruby.
💡Key Conceptual Anchor:Working With Dates And Times In Ruby
Question 36 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
How do you find the number of milliseconds between two Time objects in Ruby?
Correct Answer: Option D — Subtract one Time object from another and multiply the result by 1000 to convert to milliseconds
Detailed Academic Explanation:
Subtract one Time object from another and multiply the result by 1000 to convert to milliseconds is the correct answer to “How do you find the number of milliseconds between two Time objects in Ruby”. This question is standard in competitive examination syllabi for Working With Dates And Times In Ruby.
💡Key Conceptual Anchor:Working With Dates And Times In Ruby
Question 37 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What is the purpose of the beginning_of_week method for a Date object in Ruby?
Correct Answer: Option A — Sets the Date object to the beginning of the current week
Detailed Academic Explanation:
Sets the Date object to the beginning of the current week is the correct answer to “What is the purpose of the beginning_of_week method for a Date object in Ruby”. This question is standard in competitive examination syllabi for Working With Dates And Times In Ruby.
💡Key Conceptual Anchor:Working With Dates And Times In Ruby
Question 38 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
How do you find the number of hours between two DateTime objects in Ruby?
Correct Answer: Option D — Subtract one DateTime object from another and divide the result by 3600 to convert to hours
Detailed Academic Explanation:
Subtract one DateTime object from another and divide the result by 3600 to convert to hours is the correct answer to “How do you find the number of hours between two DateTime objects in Ruby”. This question is standard in competitive examination syllabi for Working With Dates And Times In Ruby.
💡Key Conceptual Anchor:Working With Dates And Times In Ruby
Question 39 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What does the advance method do for a Date object in Ruby?
Correct Answer: Option C — Adds a specified number of days, months, or years to the Date object
Detailed Academic Explanation:
Adds a specified number of days, months, or years to the Date object is the correct answer to “What does the advance method do for a Date object in Ruby”. This question is standard in competitive examination syllabi for Working With Dates And Times In Ruby.
💡Key Conceptual Anchor:Working With Dates And Times In Ruby
Question 40 of 40
★ FPSC
★ PPSC
★ FPSC
★ PPSC
What is the purpose of the seconds_since_midnight method for a Time object in Ruby?
Correct Answer: Option B — Returns the number of seconds since midnight on the current day
Detailed Academic Explanation:
Returns the number of seconds since midnight on the current day is the correct answer to “What is the purpose of the seconds_since_midnight method for a Time object in Ruby”. This question is standard in competitive examination syllabi for Working With Dates And Times In Ruby.
💡Key Conceptual Anchor:Working With Dates And Times In Ruby
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💡Examiner's Advisory for Programming & Software Development
In competitive commission exams (FPSC, PPSC, KPPSC, SPSC, CSS, PMS), questions are frequently phrased with distractor options designed to catch rote learners. Whenever you answer an MCQ, read the Detailed Academic Explanation and Conceptual Anchor to understand why the remaining options are incorrect.