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Find A and B in the addition. ({:(,""A)...

Find `A and B` in the addition.
`({:(,""A),(,""+A),(,""+ A) :}) / ("BA)`

A

1,5

B

5,1

C

1,2

D

2,1

Text Solution

Verified by Experts

The correct Answer is:
B
The sum of three As is A.
This only happen for A=0 or 5.
If A=0 then A+A+A=0 and B=0 which we dont want so,
A=5
B=1
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