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If alpha=x1,x2,x3 and beta=y1,y2,y3 be t...

If `alpha=x_1,x_2,x_3 and beta=y_1,y_2,y_3` be two three digit numbers, then the number of pairs of `alpha and beta` that can be formed so that `alpha` can be subtracted from `beta` without borrowing.

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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