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प्रश्न
In how many ways can you colour a rectangle of 20 boxes? Colour them all in the grid, and write the length and width of each rectangle you have coloured.
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उत्तर
This can be done in three ways: 10 x 2, 20 x 1, and 5 x 4
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संबंधित प्रश्न
Fill in the blanks:
On dividing 9 by 7, quotient = ____ and remainder = ____.
Fill in the blank:
Every number is a factor of ______
Reduce each of the following fraction to the lowest term:
`517/799`
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2 and an even number
The HCF of two numbers is 145 and their LCM is 2175. If one of the numbers is 725, find the other.
Find the least number which when divided by 25, 40, and 60 leaves 9 as the remainder in each case.
Now complete the table, for different numbers of bangles. For each number see what different groups can be made.
| Number of bangles | Different groups we can make |
| 18 | 1, 2, 3, 6, 9, 18 |
| 24 | 1, 2, .................... |
| 5 | |
| 9 | |
| 7 | |
| 2 | |
| 10 | |
| 1 | |
| 20 | |
| 13 | |
| 21 |
