Question

The sum of the digits of a 2 digit number is 9. If the digit in the tens place is considered as , the digit in the units place in terms of will be _________ (a) −9 (b) 9− (c) 9+ (d) 10+9

Answer 1

Answer:

b

Explanation:

Let the Digits are X & Y

soX+Y=9Hence,Y=9-X