Measurement
Category : 3rd Class
Measurement
Introduction
Measurement is the elementary information about everything. The term measurement is derived from the Latin word measure. Length, weight and volume are measured in appropriate units. SI unit stands for International system for units. Conversion of Measuring Units Length, weight and Volume
Length |
Weight |
Volume |
1km = 1000m |
1kg = 1000g |
1kl = 1000l |
1hm = 100m |
1hg = 100g |
1hl = 100l |
1dam = 10m |
1dag = 10g |
1dal = 10l |
1dm = 0.1m |
1dg = 0.1g |
1dl = 0.1l |
1cm = 0.01m |
1cg = 0.01g |
1cl = 0.01l |
1mm = 0.001m |
1mg = 0.001g |
1ml = 0.001l |
Conversion between Meters and Centimeters
Following are the steps for the conversion of meters into centimeters and centimeters into meters.
Step 1: Meters are converted into centimeters multiplying by 100.
Step 2: Centimeters are converted into meters dividing by 100.
Convert 225 meters into centimeters.
(a) 22500cm (b) 4500cm
(c) 2250cm (d) All the above
(e) All of these
Answer (a)
Explanation: 1 meter = 100 centimeter so, 225 meter = 22500 centimeters.
Conversion of Kilometers and Meters
Following are the steps for the conversion of kilometers into meters.
Step 1: Convert kilometers into meters by multiplying the number of kilometers by 1,000 (1 km = 1,000 meters).
Step 2: Convert the kilometers and meters into meters by multiplying the number of kilometers by 1,000 and then add the number of meters.
Convert 6 km 340 m in centimeters.
(a) 657800 cm (b) 625000 cm
(c) 634000cm (d) All the above
(e) None of these
Answer (c)
Explanation: 6 km 340 m = 6340 m = 634000 cm.
Addition of two Masses
Following are the steps for the addition of two or more masses.
Step 1: Arrange the measured masses vertically kg under kg and grams under grams.
Step 2: Add them by simple addition method starting from right.
Step3: If carry is generated then add generated carry to the next addition.
52 kg 760 grams and 42 kg 700 grams.
(a) 35 kg 700 grams (b) 95 kg 460 grams
(c) 70 kg 200 grams (d) 115 kg 100 grams
(e) None of these
Answer (b)
Explanation:
\[52\text{ }kg\text{ }760\text{ }grams+42\text{ }kg\text{ }700\text{ }grams\]
\[=95\text{ }kg\text{ }460\text{ }grams.\]
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