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प्रश्न
What is a lunar month?
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उत्तर
One lunar month is the time in which the moon completes one revolution around the earth. A lunar month is made of nearly 4 weeks.
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संबंधित प्रश्न
What is meant by measurement?
‘The distance of a star from the earth is 8.33 light minutes.’ What do you mean by this statement? Express the distance in metre.
Mohana bought 2 kg 600 g grapes and 1 kg 450 g guavas. How much more did Mohana buy grapes than guavas, by weight?
Define measurement.
The distance between your school and your house is 2250 m. Express this distance in kilometre.
Arrange the following in correct sequence.
Copper, Aluminium, Gold, Iron
Define measurement.
Questions based on higher-order thinking skills:
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There are three spheres A, B, and C as shown below. Spheres A and B are made of the same material. Sphere C is made of a different material. Spheres A and C have equal radii. The radius of sphere B is half that of sphere A. The density of A is double that of C.
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Now answer the following questions:
- Find the ratio of masses of spheres A and B.
- Find the ratio of the volumes of spheres A and B.
- Find the ratio of masses of spheres A and C.
Define measurement.
