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प्रश्न
Find the values of the letters in the following and give reasons for the steps involved.
A B
+ 3 7
------
6 A
------
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उत्तर
The addition of A and 3 is giving 6. There can be two cases.
1) First step is not producing a carry
In that case, A comes to be 3 as 3 + 3 = 6. Considering the first step in which the addition of B and 7 is giving A (i.e., 3), B should be a number such that the units digit of this addition comes to be 3. It is possible only when B = 6. In this case, A = 6 + 7 = 13. However, A is a single digit number. Hence, it is not possible.
2) First step is producing a carry
In that case, A comes to be 2 as 1 + 2 + 3 = 6. Considering the first step in which the addition of B and 7 is giving A (i.e., 2), B should be a number such that the units digit of this addition comes to be 2. It is possible only when B = 5 and 5 + 7 = 12.
2 5
+ 3 7
-------
6 2
-------
Hence, the values of A and B are 2 and 5 respectively.
संबंधित प्रश्न
Find the values of the letters in the following and give reasons for the steps involved.
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+ A B 1
---------
B 1 8
----------
Find the values of the letters in the following and give reasons for the steps involved.
1 2 A
+ 6 A B
---------
A 0 9
---------
| A | |
| + | A |
| + | A |
| B | A |
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Let D = 3, L = 7 and A = 8. Find the other digits in the sum
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