what should be our strategy in last month

What should be the last digit of the given number so that the number is divisible by 10?

In a month of 31 days, the third Wednesday falls on the 15th. What will be the last day of that month ?

If the second day of a month is a Friday, which of the following would be the last day of the next month which has 31 days ?

In a month of 31 days, third Thursday falls on 16th. What will be the last day of the month ?

The man said that those workers /P would be given a raise /Q who did not go on /R strike last month /S The correct sequence should be