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If alpha=x(1)x(2)x(3) and beta=y(1)y(2)y...

If `alpha=x_(1)x_(2)x_(3) and beta=y_(1)y_(2)y_(3)` are two 3-digit numbers, then the number of pairs of `alpha and beta` can be formed so that `alpha` can be subtracted from `beta` without borrowing, is

A

`55.(45)^(2)`

B

`45.(55)^(2)`

C

`36.(45)^(2)`

D

`55^(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
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