Advertisements
Advertisements
प्रश्न
First guess the answer and then calculate:
69 × 52 = ?
Advertisements
उत्तर
On guessing 69 × 52, the numbers will be near to 70 × 50 = 3500
Calculation-
| 60 | 9 | |
| 50 | 60 × 50 | 9 × 50 |
| 3000 | 450 | |
| 2 | 60 × 2 | 9 × 2 |
| 120 | 18 |
By adding the numbers in third and fifth rows you will get
3000 + 450 + 120 + 18 = 3588
So, 69 × 52 = 3588.
APPEARS IN
संबंधित प्रश्न
What about you? Do you also find Maths difficult?
What do you think is the easiest lesson in maths?
Ask people and find out the cost of a cup of tea-
- At a tea stall-
- At a hotel-
How Much does Kiran Earn from 9 Rickshaws in a Day?
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.
| 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/- |
How much money will Dinu pay for 32 kg iron?
I bought 1 kg newspaper for Rs 5, but sold it for Rs 6. How much money did I earn by selling 152 kg of a newspaper?
First guess the answer and then calculate:
37 × 18 = ?
First guess the answer and then calculate:
77 × 55 = ?
