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प्रश्न
Which is heavier? One kilogram cotton or one kilogram iron?
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उत्तर
Both have equal weight, and both are equal.
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संबंधित प्रश्न
Father gave them some idea of the weight of each thing.
| Thing loaded | Weight |
| A sack of wheat | 100 kg |
| A sack of rice | 35 kg |
| Water tank | 50 kg |
| Almirah | 70 kg |
| A table | 10 kg |
| A chair | 5 kg |
| A mattress | 20 kg |
| Bamboo ladder | 10 kg |
| Pots and pans | 10 kg |
Find out the total weight they had loaded on the cart.
Which things should be removed so that the weight of the load is not more than 700 kg?
Make pairs of different things and use the balance to decide which is heavier. First guess which thing will take the pan down and then check with your balance.
Make groups of three things. For example - eraser, ball and paper. Use the balance to arrange them in order of weight-the lightest, the one with in-between weight, the heaviest.
Complete the table with at least five examples.
| Lightest | In-between weight | Heaviest |
| Paper | Eraser | Ball |
Can you find your own weight using this balance?
Use your weights to weigh different things and write in your notebook.
Ritu is weighing her toys. She wants to know if her tractor is heavier than her car. How would you help her to find out quickly?
Which is the heaviest thing you have seen?
Akash wants to send a parcel of the Math Magic textbook to his friend Rani in Chennai. The book weighs 200 g. See the chart to find the cost of posting the book.
Rahul needs stamps of Rupees 25 for his parcel. He went to the post office. Only stamps of Rs 1, Rs 2, Rs 5 and Rs 10 were there at that time. Using those stamps in how many different ways can he make Rs 25?
Can you show five different ways? What is the heaviest parcel he can send using stamps of Rs 25?
