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प्रश्न
Complete the analogy.
Height of a person: cm :: Length of your sharpened pencil lead:______?
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उत्तर
Height of a person: cm :: Length of your sharpened pencil lead: mm (millimetre).
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संबंधित प्रश्न
Fill in the blank.
In the ............ system, length is measured in centimetres.
Guess whose tail is the longest. Now measure the tails. How good is your guess?






Now guess the length and width of many other things. Measure and find the difference between your measure and your guess.
| Size of | Your guess in cm | Your measure in cm | ||
| Length | Width | Length | Width | |
| 100 Rupee note | ||||
| 10 Rupee note | ||||
| 20 Rupee note | ||||
| 5 Rupee note | ||||
| Post card | ||||
| Math-Magic book | ||||
Measure the yellow rectangle. It is ________ cm long.
How wide is the rectangle? ________ cm
You can play this game on the ground. Make two squares of one square meter each. Divide your class into two teams. Ready to play!
- Which team could make more children stand in their square? How many?
There are two beautiful lakes near a village. People come for boating and picnics in both the lakes. The village Panchayat is worried that with the noise of the boats the birds will stop coming. The Panchayat wants motorboats in only one lake. The other lake will be saved for the birds to make their nests.

- What is the length of the boundary of lake B in the drawing?
Length is ______.
The distance of a galaxy is of the order of 1025 m. Calculate the order of magnitude of time taken by light to reach us from the galaxy.
How many astronomical units (A.U.) make 1 parsec?
