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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
9 8
+ 4 A
C B 3
Fill in the blank:
Every number is a multiple of ______
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Find the HCF of
2 and an even number
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Colour a rectangle made of 20 boxes in some other way.
There are 18 bangles on the rod. Meena is trying to group them. She can put them in groups of 2, 3, 6, 9, and 18 — without any bangle being left.
- How many groups will she have if she makes groups of 1 bangle each?
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 |
