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प्रश्न
All oranges have equal weight. The two papayas have the same weight. The weights in the first and second balances are equal.
How many oranges balance the weight in the third?
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उत्तर
In first balance-
1 Mango + 1 orange = 3 orange
Therefore, 1 mango = 3 orange – 1 orange
= 2 orange
In second balance,
2 papaya = 2 orange + 1 mango
= 2 orange + 2 orange (Because 1 mango = 2 orange)
= 4 orange
Therefore, 1 papaya = 2
orange In third balance,
1 papaya + 1 mango = 2 orange + 2 orange (Because 1 papaya = 2 orange and 1 mango = 2 orange)
= 4 orange.
Hence, 4 oranges will balance the one papaya and together with one mango in third balance.
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संबंधित प्रश्न
Now, you also make your own balance. Write down how you made it. Also draw a picture of your balance in the box below.
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.
If you put the soap and the weight you just made together in a pan, how many grams will both these weigh?
Which pan of the balance will go down? Show by drawing an arrow.
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Is the weight on any of the pans equal to 1 kilogram? Mark it.
How many grams are there in 1 kg?
Guess and write the weight of each thing he bought - in g or kg.
| Items | Weight |
| Rice | 5 |
| Sugar | 1 |
| Mustard seeds | 10 |
| Wheat | 3 |
| Dal | 500 |
| Tea | 250 |
| Pepper | 25 |
Now imagine what happened next and complete the story. Discuss with your friends how Vaidika’s daughter found the weight of the elephant.
Now you show how Abdu will use these stone pieces to weigh —
4 kg of firewood -
Now you show how Abdu will use these stone pieces to weigh —
3 kg of firewood.
