Advertisements
Advertisements
प्रश्न
First guess the answer and then calculate:
4 × 206 = ?
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
What do you think is the easiest lesson in maths?
If a person who runs a tea stall earns Rs 30 a day, how much will he earn in 10 days? And in a month? How did you get the answer? Discuss.
Hariya and Babu want to buy a handcart for Rs 300.
 |
 |
Who has to pay back more - Hariya or Babu?
For 10 rickshaws she will get Rs 20 × 10 = Rs 200.
So, for 9 rickshaws, she will get Rs 200 – _____ = ______.
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/- |
How much will Kiran pay for a 31 kg newspaper?
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/- |
How much will Kiran pay for 42 kg newspaper?
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 22 kg of plastic.
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.
First guess the answer and then calculate:
37 × 18 = ?
First guess the answer and then calculate:
2 × 175 = ?
