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प्रश्न
How much does a postcard cost?
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उत्तर
The cost of a postcard is Re 1.
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संबंधित प्रश्न
Mannu and Jaiju put a pencil and geometry box in the two pans of the balance. Which pan will go down? Why? Draw a picture to show it.
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 |
Get a new cake of soap. The packet will have the weight written on it. You can use this soap to make your own different weights.
The soap weighs grams(g).
Which pan of the balance will go down? Show by drawing an arrow.
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Name 5 things that we usually buy -
| In Grams | |
| 1 | |
| 2 | |
| 3 | |
| 4 | |
| 5 |
| In Kilograms | |
| 1 | |
| 2 | |
| 3 | |
| 4 | |
| 5 |
Which is the heaviest thing you have seen?
Now you show how Abdu will use these stone pieces to weigh —
4 kg of firewood -
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?
A frog was struggling to escape from the mouth of a crow. How can I escape? The frog thought. Suddenly a trick came to his mind. He asked the crow-Are you good at arithmetic? If yes, then I will ask you a problem.
Your weight is 650 g and I am only 145 g. How much do we weigh together? The crow was good at mathematics, so he happily opened his beak to answer.
What happened after that? So what was the answer the crow wanted to give?
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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