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प्रश्न
A 1
+ 1 B
B 0
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उत्तर
B = 9 as 9 + 1 = 10.
We want 0 at units place and 1 is carry over.
Now B - 1 -1 = A.
∴ A = 9 - 2 = 7
Hence A + 7 and B = 9
7 1
+ 1 9
9 0
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संबंधित प्रश्न
9 8
+ 4 A
C B 3
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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?
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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 |
