Mathematics
In a 2-digit number ab and a > b then ab - ba is equal to :
0
9(a - b)
9(b - a)
none of these
Related Questions
For what value of digit x is :
5x2 a multiple of 11 ?
ab and ba are two 2-digit numbers then ab + ba is equal to :
2ab
11ab
11(a + b)
none of these
If a = b, then ab ÷ ba is equal to :
0
9(a - b)
11(a + b)
none of these
If a > b, then for two 3-digit numbers abc and cba; we have abc - cba equal to :
-27
-6
6
none of these