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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.
उत्तर
This can be done in three ways: 10 x 2, 20 x 1, and 5 x 4
APPEARS IN
संबंधित प्रश्न
9 8
+ 4 A
C B 3
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______ is factor of every number.
Fill in the blanks:
For every number, its factors are ______ and its multiples are ______
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Three bells toll at intervals of 9, 12, 15 minutes. If they start tolling together, after what time will they next toll together?
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In the grid here, a rectangle made of 20 boxes is drawn.
The width of this rectangle is 2 boxes.
- What is its length?
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 |
