CLEAN : French peace initiative: Valls meets with worried Rivlin

The video tutorial provides a sequence of dates, starting from 19.8.1988 and repeating through various months and days, including some invalid dates. The focus is on recognizing date patterns and understanding the repetition of certain dates.

Which of the following dates is valid in the month of August 1988?

• 31st February 1988

• 31st September 1988

• 32nd August 1988

• 31st August 1988

Identify the date that does not exist in the calendar.

• 31st March 1988

• 31st June 1988

• 31st April 1988

• 31st May 1988

Which of these dates is incorrectly formatted?

• 31st October 1988

• 31st September 1988

• 31st August 1988

• 31st July 1988

What is the correct number of days in February during a leap year?

• 30

• 31

• 29

• 28

Which of the following months has 31 days?

• July

• September

• June

• April