The number obtained by interchanging the two digits of a two-digit number is lesser than the original number by 54. If the sum of the two digits of the number is 12, then what is the original number?
(a)
28
(b)
39
(c)
82
(d)
None of these
The number obtained by interchanging the two digits of a two-digit number is lesser than the original number by 54. If the sum of the two digits of the number is 12, then what is the original number?
(a)
28
(b)
39
(c)
82
(d)
None of these
Question ID - 54110 | SaraNextGen Top Answer
The number obtained by interchanging the two digits of a two-digit number is lesser than the original number by 54. If the sum of the two digits of the number is 12, then what is the original number?
(a)
28
(b)
39
(c)
82
(d)
None of these
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The number obtained by interchanging the two digits of a two-digit number is lesser than the original number by 54. If the sum of the two digits of the number is 12, then what is the original number? |
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(a) |
28 |
(b) |
39 |
(c) |
82 |
(d) |
None of these |
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1 Answer
127 votes
Answer Key / Explanation : (d) -
Let ten’s digit = 
Then, unit’s digit = 
So, ten’s digit = 
Unit’s digit = 3. Hence, the original number = 93.
127 votes
Answer Link
127