Q84
The difference between a two-digit number and the number obtained by interchanging the two digits is 63. Which is the smaller of the two numbers ?
A.
29
B.
70
C.
92
D.
Cannot be determined
AnswerE.
None of these
Answer: Option D
Solution
Answer: Option D
Solution:
Let the ten's digit be x and unit's digit be yThen,