Clocks and Calendars Practice Test 1 with solutions

First three 100 years has 76 ordinary years each but last 100 years of 400 years has only 75 ordinary years.
Hence, number of months of February in 400 consecutive years in which have only 28 days
= 3 × 76 + 75 = 303
Hence, required number of months = 12 × 400 – 303 = 4497