Subject: General Aptitude · Chapter: Problems on Numbers · Exam: · Marks: · Difficulty:
In a number of three digits, the digits in the unit's place and in the hundred's place are equal and the sum of all the digits is 8. The number of such numbers is
(a)3
(b)4
(c)5
(d)6
Answer
Answer (as printed): B
Explanation
Clearly, there are 4 such numbers: 161, 242, 323 and 404.
Explanation as extracted from the printed page; notation may be imperfect.