The sum of the digits of a two-digit number is 15 and the difference between the digits is 3. What is the two-digit number?
(a)
69
(b)
78
(c)
96
(d)
Cannot be determined
The sum of the digits of a two-digit number is 15 and the difference between the digits is 3. What is the two-digit number?
(a)
69
(b)
78
(c)
96
(d)
Cannot be determined
Question ID - 54096 | SaraNextGen Top Answer
The sum of the digits of a two-digit number is 15 and the difference between the digits is 3. What is the two-digit number?
(a)
69
(b)
78
(c)
96
(d)
Cannot be determined
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The sum of the digits of a two-digit number is 15 and the difference between the digits is 3. What is the two-digit number? |
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|
(a) |
69 |
(b) |
78 |
(c) |
96 |
(d) |
Cannot be determined |
|
1 Answer
127 votes
Answer Key / Explanation : (d) -
Let the ten’s digit be 
and unit’s digit be 
Then, 
and 
Solving 
we get 
Solving 
we get 
So, the number is either 96 or 69.
Hence, the number cannot be determined.
127 votes
Answer Link
127