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प्रश्न
A 1
+ 1 B
B 0
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
Fill in the blanks:
On dividing 9 by 7, quotient = ____ and remainder = ____.
Fill in the blank:
Every number is a factor of ______
Fill in the blank:
______ is factor of every number.
Reduce each of the following fraction to the lowest term:
`296/481`
There are 527 apples, 646 pears, and 748 oranges. These are to be arranged in heaps containing the same number of fruits. Find the greatest number of fruits possible in each heap. How many heaps are formed?
A rectangular courtyard is 18 m 72 cm long and 13 m 20 cm broad. It is to be paved with square tiles of the same size. Find the least possible number of such tiles.
Three bells toll at intervals of 9, 12, 15 minutes. If they start tolling together, after what time will they next toll together?
Three boys step off together from the same place. If their steps measure 36 cm, 48 cm and 54 cm, at what distance from the starting point will they again step together?
What is the length and width of the rectangle you coloured?
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 |
