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प्रश्न
First guess the answer and then calculate:
4 × 206 = ?
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उत्तर
This number will be near to 5 × 200 = 1000
| 200 | 6 | |
| 4 | 200 × 4 | 6 × 4 |
| 800 | 24 |
By adding the numbers in the last row you will get
800 + 24 = 824
So, 4 × 206 = 824.
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संबंधित प्रश्न
What is the most difficult thing in your Maths book?
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- Have you ever heard of someone taking a? For what?
- How much loan was taken?
- How much money was paid back?
In a week how much does Kiran earn from one rickshaw?
Kiran has bought some junk from junk collectors.
Look at the rate list to see today's rates. Help Kiran to find out the cost of the junk.
| Rate-List | |
| Kind of Junk | Price of 1 kg |
| 1. Waste Paper... | Rs. 4/- |
| 2. Newspaper... | Rs. 5/- |
| 3. Iron... | Rs. 12/- |
| 4. Brass... | Rs. 170/- |
| 5. Plastic... | Rs. 10/- |
Find the cost of 23 kg of waste paper.
Kiran has bought some junk from junk collectors.
Look at the rate list to see today's rates. Help Kiran to find out the cost of the junk.
| Rate-List | |
| Kind of Junk | Price of 1 kg |
| 1. Waste Paper... | Rs. 4/- |
| 2. Newspaper... | Rs. 5/- |
| 3. Iron... | Rs. 12/- |
| 4. Brass... | Rs. 170/- |
| 5. Plastic... | Rs. 10/- |
Find the cost of 12 kg of iron.
| Dinu's Rate-List | |
| Kind of Junk | Price of 1 Kg |
| 1. Newspaper... | Rs. 6/- |
| 2. Iron... | Rs. 14/- |
| 3. Brass... | Rs. 180/- |
| 4. Plastic... | Rs. 12/- |
| 5. Water paper... | Rs. 4.50/- |
- Kiran bought 1 kg plastic for Rs 10, but sold 1 kg plastic for Rs 12. How much money does she earn on selling 1 kg plastic?
- So, how much money does she earn for 63 kg?
First guess the answer and then calculate:
45 × 24 = ?
First guess the answer and then calculate:
142 × 5 = ?
Kiran paid Rs. 919 to the junk collectors. When she sold the junk she got these notes and coins from Dinu.

Now you make a record in her diary.
Find out how much she earned this time.

