Number Series
35 Topics | 21 Quizzes
Percentage
51 Topics

Bank Exams Number System Problem 1

Bank Exams Number System Problem 1

When 9 is subtracted from two-digit number, the number so formed is reverse of the original number. Also, the average of the digits of the original number is 7.5. What is definitely the original number?

87

92

90

69

96