A certain number of two digits is three times the sum of the digits and if 45 added to it, the digits are reversed. The number is |
|
|||||||
(a) |
23 |
(b) |
27 |
(c) |
32 |
(d) |
72 |
A certain number of two digits is three times the sum of the digits and if 45 added to it, the digits are reversed. The number is |
|
|||||||
(a) |
23 |
(b) |
27 |
(c) |
32 |
(d) |
72 |
Let the ten’s digit be and the unit’s digit be
Then,
...
Solving we get
Required number = 27.