## Measuring Units

Category : 2nd Class

 Lengths Weights Money Time How to compare the lengths of given objects? How to compare the weights of given object? 1 Rupee = 100 Paise Number of days in a week  = 7 1 paisa = 1/100 Rupee ? If objects are straight then measure them by ruler of tape. ? If objects are curved, then the object having the maximum curves is the longest and object having the minimum curves is the shortest. Use weighing scale to identify the weight of objects and categorise them from the heaviest or the heaviest to the lightest. Number of months in a year = 12 1 hour = 60 minutes 1 minute = 1 / 60 hour 1 minute = 60 seconds 1 second = 1/60 minute

EXAMPLE

1.       Jimmy has some coins, as shown below: How much total amount he has?

(a)  21                        (b)  30                        (c)   23                                   (d)   25

Explanation (a):     Number of  5 coin = 1 i.e.,  5

Number of  2 coins = 4 i.e., (2 + 2 + 2 =) =  8

Number of  1 coins = 8 i.e.,

Total value = 5 +  8 +  8 = ` 21

2.       Which is the heaviest amongst,  and

(a)                        (b)                        (c)                       (d) None of these

Explanation (c):     Tomorrow will be Sunday means today is Saturday.

Then, yesterday was Friday.

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