Quantitative Aptitude Ques 279
Question: The sum of digits of a two-digit number is 12 and the difference between the two digits of the two-digit number is 6. What is the two-digit number?
Options:
A) 39
B) 84
C) 93
D) Other than those given as options
E) 75
Show Answer
Answer:
Correct Answer: C
Solution:
- Let the two-digit number be
$ \therefore $ $ \begin{matrix} x+y=12 \\ x-y=6 \\ 2x=18 \\ \end{matrix} $
$ \Rightarrow $ $ x=9 $ and $ y=3 $
$ \therefore $ Required number $ =10\times 9+3=93 $
BETA
