14. | The difference between a two-digit number and the number obtained by interchanging the positions of its digits is 36. What is the difference between the two digits of that number? |
A. | 3 | B. | 4 | C. | 9 | D. | Cannot be determined | E. | None of these | | |
|
Answer: Option B
Explanation:
Let the ten's digit be x and unit's digit be y.
Then, (10x + y) - (10y + x) = 36
9(x - y) = 36
x - y = 4.
Title : Numbers Q14
Description : 14. The difference between a two-digit number and the number obtained by interchanging the positions of its digits is 36. What is the differ...
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