some important point to be remembered about calendar and clock questions in reasoning section
TRANSCRIPT
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8/20/2019 Some Important Point to Be Remembered About Calendar and Clock Questions in Reasoning Section
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1/19/2016 Some Important Point to be remembered about Calendar and Clock Questions in Reasoning Section
http://www.jagranjosh.com/articles/some-important-point-to-be-remembered-about-calendar-and-clock-questions-in-reasoning-section-1430211620-1
Important Points about Calendar
A year divisible by 4 is a leap year
In case of century, leap year is that which is divisible by 400
There are 365 days in an ordinary year, so there are 52 weeks+1 day. Hence, an ordinary yea
contain 1 odd day.
There are 366 days in a leap year. Hence a leap year contain 2 odd days.
There are 28 days in February in an ordinary year while in leap year there are 29 days in February.
There are 28 days in February in an ordinary year while in a leap year there are 29 days in February.
The day of week on 1st Jan 1 AD is Monday
After 11 years the calendar is repeated
Important Points about Clock
The minute hand is also called, the long hand while hour hand is known as short hand.
In every one hour, the minute hand gains 55 minutes on the hour hand
The hands are in the same straight-line when they are opposite to each other or coincident
In every hours hands coincide once
The hands coincides 11 times in every 12 hours
The minute hand moves 3600 in 1 hour while hour moves 300 in 1 hour
Example 1: Sita remembers that her brother Anuj’s birthday was after 15th but before 20th September
while her mother remembers that Anuj’s birthday was after 17th but before 19th September. On which date
of September was Anuj’s birthday.
Solution: According to Sita:
According to her mother:
According to both common days is 18th.
Hence, Anuj's birth was on 18th September.
Example 2: If 22nd August is Sunday, What day was on 22 days before?
Solution: Difference of No. of days = 22
No. of odd days = 1
[Because 22/7 = 3 + 1]
1 day before Sunday is Saturday.
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8/20/2019 Some Important Point to Be Remembered About Calendar and Clock Questions in Reasoning Section
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1/19/2016 Some Important Point to be remembered about Calendar and Clock Questions in Reasoning Section
http://www.jagranjosh.com/articles/some-important-point-to-be-remembered-about-calendar-and-clock-questions-in-reasoning-section-1430211620-1
Hence, it will be Saturday before 22 days.