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Question

1 3 A
+ 5 A 2
A 0 9

In the given summation, the value of A is:

A

5
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B

7
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C

6
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D

8
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Solution

The correct option is B
7
1 3 A
+ 5 A 2
A 0 9

Looking at the ones column first, A + 2 = 9, so value of A should be some digit less than 8.
Value of A should be 7 as 7 + 2 = 9

Let's check if this value of A satisfies the entire sum.
1 3 7
+ 5 7 2
7 0 9
It is clear that by taking A as 7,
137 + 572 = 709

So, option (b) is correct.

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