Chapter: 6th Maths : Term 2 Unit 2 : Measurements
Summary
Summary
Basic metric units of length is metre, weight is gram and capacity (volume) is litre.
Different unit measurements should be converted into same unit for addition and subtraction of units.
a.m (antemeridien) denotes the time that is after 12:00 midnight and before 12:00 noon.
p.m (postmeridien) denotes the time that is after 12:00 noon and before 12:00 midnight.
To convert 12 hour time to 24 hour time, add 12 to any hours 1 p.m to 11 p.m and change 12 a.m as 00:00 hours.
To convert given time greater than 12 in railway time to an ordinary time, subtract 12 from it.
Ordinary and Railway time are the same in a.m and it is less than 12.
In both the formats there is no change in minutes.
A year which is divisible by 4 is considered as a leap year.
A century year which is divisible by 400 is a leap year.