The first box includes four months, and these are June, September, April and November.
The second box only includes March.
The third box contains May, August, July, December and January.
What should be in box 4, and why?
The answer is
October
Because the months given are
increasing in length.
Box 1:
April, June, September and November last 30 days
Box 2:
March lasts 31 days minus 1 hour because of time change
Box 3:
January, May, July, August, December last 31 days
Box 4:
October lasts 31 days plus 1 hour because of time change