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`        If (AB)2 = CCB then find minimum value of A+B+C. Here, AB is 2 digit and CCB is 3 digit number and A,B,C unequal, A,C not equals 0.`
2 years ago

## Answers : (1)

Hasan Naqvi
97 Points
```										Only if the no has unit digits as 1,5,6,0 will it be possible for it have the same unit digit again. 0 Won't satify it either, as square of no with 0 in unit digit will have 2 zeros.(like 102=100) Also, for the square to be a 3 digit no, AB should be smaller than 32.SO possible options:15,16,21,25,26,31 Their squares: 225, 256, 441, 625, 676, 961 Only two are of form CCB.So either AB=15(c=2) or 21(c=4) So min value = 4+2+1 = 7
```
2 years ago
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