Question

the digit in the tens place of a two digit number is more than the digit in the unit place. Let the digit at units place b c then the number is. ​

Answer 1

Correct option is

A

11b+30

We take unit place to be b,

So, the digit at ten's place = (3+b),

Hence, the number = 10(3+b)+b=30+10b+b=11b+30.