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प्रश्न
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.
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उत्तर
To send the book Akash has to parcel it. He has to pay the costs for parcel as follows:
The weight of book is 200 grams
The cost of parcel upto 50 grams = Rs 5.00
The cost of additional 150 grams = Rs 3.00 × 3 = Rs 9.00
Total cost = Rs 5.00 + Rs 9.00 = Rs 14.
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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.
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).
If you put the soap and the weight you just made together in a pan, how many grams will both these weigh?
Use your weights to weigh different things and write in your notebook.
Which is heavier? One kilogram cotton or one kilogram iron?
Anamika wants to weigh this chair using the weighing machine. Can you suggest a way for doing this?
Have you ever been to a post office?
How much does a postcard cost?
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?
The chart shows the height and weight of children between 6 and 10 years old.
| Name | Age | Height | Weight |
| Temshula | 6 | 3 feet, 7 inches | 16 kg |
| Sreekunth | 10 | 4 feet, 3 inches | 23 kg |
| Rabiya | 6 | 3 feet, 10 inches | 17 kg |
| Vineet | 8 | 3 feet, 11 inches | 19.5 kg |
| Kavita | 9 | 3 feet, 10 inches | 20 kg |
Now, you also fill the table by finding out the age, height and weight of any five friends.
