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प्रश्न
Do it mentally and write the answers.
| 2 × 6 = ______ | 4 × 80 = ______ |
| 20 × 6 = ______ | 4 × 81 = ______ |
| 2 × 60 = ______ | 9 × 25 = ______ |
| 3 × 42 = ______ | 31 × 9 = ______ |
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उत्तर
| 2 × 6 = 12 | 4 × 80 = 320 |
| 20 × 6 = 120 | 4 × 81 = 324 |
| 2 × 60 = 120 | 9 × 25 = 225 |
| 3 × 42 = 126 | 31 × 9 = 279 |
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संबंधित प्रश्न
What do you think is the easiest lesson in maths?
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| Rate-List | |
| Kind of Junk | Price of 1 kg |
| 1. Waste Paper... | Rs. 4/- |
| 2. Newspaper... | Rs. 5/- |
| 3. Iron... | Rs. 12/- |
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| 5. Plastic... | Rs. 10/- |
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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/- |
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| 5. Plastic... | Rs. 10/- |
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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/- |
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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.
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First guess the answer and then calculate:
37 × 18 = ?
First guess the answer and then calculate:
45 × 24 = ?
